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What are the two causes of ADHD?

Attention Deficit Hyperactivity Disorder or ADHD is a complex condition that affects a person’s behavior, attention, and learning abilities. The exact causes of ADHD are not entirely understood; however, research suggests that genetics and environmental factors play significant roles.

One cause of ADHD is genetics or hereditary factors. Studies have shown that ADHD can be inherited from parents, who pass down the affected genes to their children. The genetic contribution to ADHD is estimated to be between 70-80%. Individuals with ADHD often have family members with the same or similar symptoms, leading researchers to believe that the condition runs in families.

Genetic variations, including the dopamine receptor gene DRD4, have been linked to risk for ADHD. The DRD4 gene plays a crucial role in regulating dopamine levels in the brain, impacting attention and focus.

Another cause of ADHD is environmental factors. Maternal smoking, alcohol use, and exposure to toxins during pregnancy can increase the risk of ADHD in a child. Children who experience malnutrition or brain injury may also have a higher risk of ADHD. Exposure to lead, pesticides, or other toxins may alter brain development and lead to symptoms of ADHD.

Additionally, environmental factors such as stress, trauma, and chaotic living conditions may contribute to ADHD symptoms.

Adhd is a complex condition, and the exact causes are not entirely understood. Research suggests that genetics and environmental factors may contribute to the development of ADHD. Understanding the causes of ADHD is critical in developing effective treatments and interventions to help individuals manage their symptoms and lead successful lives.

What causes ADHD symptoms in the brain?

Attention Deficit Hyperactivity Disorder (ADHD) is a neurodevelopmental condition that affects millions of people worldwide. Although the exact cause of ADHD is not fully understood, research suggests that it is caused by a combination of genetic and environmental factors. ADHD symptoms are the result of dysfunction in certain regions of the brain, particularly the prefrontal cortex, basal ganglia, and cerebellum.

The prefrontal cortex is responsible for executive functions, including attention, planning, decision-making, and impulse control. In people with ADHD, the prefrontal cortex may not function properly, leading to problems with attention and focus. This region of the brain is also involved in working memory, which is the ability to hold and manipulate information in the mind.

People with ADHD may experience difficulties with working memory, making it challenging to follow instructions or complete tasks that require sustained attention and mental effort.

The basal ganglia are a group of structures in the brain that regulate movement, motivation, and reward. Dopamine, a neurotransmitter involved in pleasure and reward, plays a critical role in the function of the basal ganglia. People with ADHD may have abnormal levels of dopamine in the brain, leading to problems with motivation, hyperactivity, and impulsivity.

Stimulant medications used to treat ADHD, such as methylphenidate and amphetamines, work by increasing dopamine levels in the brain, which can improve attention and focus.

The cerebellum is a region of the brain that is involved in movement coordination and balance. Recent research has shown that the cerebellum also plays a role in cognitive functions such as attention and working memory. In people with ADHD, the cerebellum may be smaller than average, or there may be abnormal connectivity between the cerebellum and other parts of the brain.

This dysfunction can result in problems with coordination, attention, and other cognitive functions.

Adhd symptoms are caused by dysfunction in multiple regions of the brain, including the prefrontal cortex, basal ganglia, and cerebellum. Although the exact cause of ADHD is still being studied, research suggests that genetic and environmental factors play a role in the development of the condition.

Understanding the underlying causes of ADHD symptoms is critical for developing effective treatments and improving the lives of people with this condition.

What part of the brain is damaged in ADHD?

Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder that affects an estimated 6% to 9% of children and 4% to 5% of adults worldwide. ADHD is characterized by persistent symptoms of inattention, hyperactivity, and impulsivity that interfere with daily functioning and may lead to significant impairment in academic, occupational, and social contexts.

While the exact causes of ADHD remain unclear, research suggests that ADHD results from a combination of genetic, environmental, and neurological factors. Studies have found that certain brain regions and neural networks may be affected in individuals with ADHD, leading to differences in brain structure, function, and connectivity.

One of the key brain areas implicated in ADHD is the prefrontal cortex, which is responsible for executive functions, such as attention, working memory, decision-making, and impulse control. Research has shown that individuals with ADHD tend to have smaller prefrontal cortex volume and reduced activity in this brain region compared to neurotypical individuals.

The basal ganglia, another brain region involved in motor control and reward processing, is also thought to play a role in ADHD. Studies have found that abnormal dopamine signaling in the basal ganglia may contribute to the hyperactive and impulsive symptoms of ADHD.

Moreover, the cerebellum, which is involved in motor coordination, balance, and attention, has been shown to be smaller in children with ADHD compared to controls. This could potentially explain some of the motor coordination and balance issues often seen in individuals with ADHD.

However, it is important to note that ADHD is a complex disorder with diverse symptomatology and variability in brain imaging findings across individuals. Further research is needed to fully understand the underlying neurobiology of ADHD and how it may differ across populations.

Do you get ADHD from mom or dad?

Attention Deficit Hyperactivity Disorder (ADHD) is a complex neurodevelopmental disorder that affects many children and adults around the world. While genetics is believed to play a critical role in the development of ADHD, the specific genes responsible for the disorder remain unknown. Research indicates that ADHD results from a combination of both genetic and environmental factors.

According to several studies, ADHD often runs in families. In other words, children with parents or relatives with ADHD are more likely to develop the condition. However, ADHD is not caused by a single gene, and the exact mode of inheritance is still not clear. Still, scientists believe that several genes are associated with the disorder and may contribute to its development.

While genetic factors are significant in ADHD, other factors such as environmental and lifestyle factors also play a significant role in the onset and severity of symptoms. Some of the possible environmental factors that may contribute to the development of ADHD include exposure to toxins, maternal smoking during pregnancy, low birth weight, and premature birth.

Adhd is a complex and multifactorial disorder that arises from the interaction of various factors, including genetic, environmental, and lifestyle factors. Therefore, it is difficult to attribute ADHD to one specific parent as it is shaped by multiple genetic and environmental factors. An individual’s susceptibility to ADHD may be influenced by various sources, including their family’s medical history, as well as their shared genetic data with their family members.

It is important to consult with a medical professional if ADHD symptoms develop, as they can provide helpful guidance and recommend appropriate treatments.

Can trauma cause ADHD?

Research suggests that there is a correlation between trauma and attention deficit hyperactivity disorder (ADHD). Trauma is a distressing event or experience that threatens an individual’s safety or well-being, causing a strong emotional response. It can manifest in various forms, such as abuse, neglect, violence, natural disasters, accidents, and medical emergencies.

Trauma has been shown to affect brain function, particularly in the prefrontal cortex and limbic system, which are areas associated with regulating emotions, attention, and executive functions. These are also the same brain regions implicated in ADHD. Chronic stress resulting from trauma may also cause changes in the brain chemistry, such as alterations in the levels of neurotransmitters like dopamine, norepinephrine, and serotonin, which can disrupt attention, mood, and motivation.

Moreover, trauma can have long-lasting effects on behavioral and cognitive functioning. Children who experience trauma are more likely to develop behavioral problems, including impulsivity, aggression, and hyperactivity, which are commonly seen in ADHD. Trauma can also affect memory, learning, and language skills, which may impact academic performance and social interactions.

However, it is essential to note that not all individuals who experience trauma develop ADHD. The relationship between trauma and ADHD is complex and multifactorial, involving a combination of genetic, environmental, and biological factors. Hence, it is crucial to consider several factors when assessing the potential link between trauma and ADHD, such as the severity and frequency of the traumatic event, the developmental stage of the individual, and the presence of other psychiatric disorders.

While there is evidence suggesting that trauma can cause or exacerbate ADHD symptoms, not everyone who experienced trauma develops the disorder. Further research is needed to understand the intricate interplay between trauma, genetics, and ADHD and to develop effective treatment strategies for those affected.

However, seeking professional support and treatment can help individuals cope with the impacts of trauma and ADHD, improve their functioning, and enhance their quality of life.

How do you tell if it’s ADHD or not?

ADHD, also known as Attention-deficit/hyperactivity disorder, is a neurodevelopmental disorder that affects the development of the brain’s executive functioning abilities, such as attention, impulsivity, and focus. The symptoms of ADHD can manifest in various ways and at different intensities, which may make it difficult to identify whether or not one has ADHD.

However, several factors typically contribute to the diagnosis of ADHD, such as behavioral and cognitive patterns, physical symptoms, and environmental influences.

Behavioral and Cognitive Patterns:

One of the main indicators of ADHD is the presence of specific behavioral patterns. Children with ADHD may exhibit behavior such as difficulty completing tasks, forgetfulness, disorganization, restlessness, lack of focus, excessive talkativeness, impulsiveness, trouble following instructions, and frequent fidgeting.

Adults with ADHD may experience similar symptoms such as disorganization, difficulty staying organized, forgetfulness, lack of focus, impulsive decision-making, restlessness, and irritability.

Physical Symptoms:

Individuals with ADHD sometimes experience several physical symptoms such as trouble sleeping, difficulty relaxing or calming down, trouble eating regularly or controlling their appetite, among others. These symptoms may vary from person to person, and not all individuals with ADHD experience them.

However, these symptoms may serve as additional indicators that can contribute to the assessment of ADHD.

Environmental Influences:

Environmental factors can also contribute to ADHD, and these can include home, school, or work environments, interpersonal relationships, stress, and other traumas. These factors may manifest in various ways, such as school or work difficulties, frequent conflict with coworkers or family members, and difficulty managing stress.

Diagnosis:

Diagnosing ADHD can be complex as there is no single definitive test, and the process requires a comprehensive evaluation. Medical professionals, such as psychiatrists, psychologists, and pediatricians, typically evaluate an individual’s symptoms, physical health history, behaviors, and personal, family, and work history.

Additionally, structured questionnaires, such as the Conners rating scale or the ADHD rating scale, can assist in the diagnosis process.

Determining whether an individual has ADHD or not requires a thorough assessment of their psychological and cognitive states. Several factors, such as behavioral and cognitive patterns, physical symptoms, and environmental influences, contribute to the diagnosis process. If you or someone you know is experiencing any of the symptoms mentioned, it may be useful to seek a professional evaluation to determine the best course of treatment.

How do you check if you have ADHD?

Attention Deficit Hyperactivity Disorder, commonly known as ADHD, is a neurobehavioral disorder characterized by the tendency to display symptoms such as difficulty paying attention, impulsivity, and hyperactivity. The symptoms can have a significant impact on an individual’s functioning in multiple settings, including at home, school, or work.

Though ADHD can affect people of all ages, it commonly develops in early childhood and can persist into adulthood.

Diagnosing ADHD requires a thorough evaluation by a mental health professional, such as a psychiatrist, psychologist, or clinical social worker, who has expertise in ADHD. The evaluation includes a detailed history of the individual’s symptoms, medical and developmental history, and current functioning, as well as feedback from significant others such as parents, teachers, or employers.

The mental health professional may also use psychological tests or rating scales to assess the individual’s symptoms.

The Diagnostic and Statistical Manual of Mental Disorders (DSM-5) outlines the diagnostic criteria for ADHD. To qualify for a diagnosis of ADHD, an individual must have a persistent and impairing pattern of inattention and/or hyperactivity-impulsivity that interferes with their daily functioning. The symptoms must be present in two or more settings, such as at home and school, and have been present since childhood.

Additionally, the symptoms must not be better accounted for by another mental disorder, medical condition, or substance use.

Aside from seeking a professional evaluation, there are also self-assessments and online questionnaires that can help identify potential symptoms of ADHD, although they are not diagnostic tools. These tools may be helpful in deciding whether to seek professional evaluation or provide more insight to individuals who have already been diagnosed with ADHD.

Overall, it is important to note that ADHD is a complex disorder that can present differently in each individual. A thorough evaluation by a mental health professional is the best approach to determine if an individual has ADHD and if additional support, such as medication or therapy, is necessary for improved functioning.

How can you confirm ADHD?

Attention deficit hyperactivity disorder (ADHD) is a neurodevelopmental disorder that affects a person’s ability to focus, concentrate, and control their impulses. The diagnosis of ADHD is typically made after a thorough evaluation by a qualified healthcare professional, such as a psychiatrist or psychologist.

The following are some of the steps that can be taken to confirm a diagnosis of ADHD:

1. Review of the patient’s medical history: The healthcare professional will ask the patient and their family members about medical, developmental, and behavioral history. This might include inquiries into any previous mental health diagnoses, academic issues, or behavioral problems.

2. Physical examination: The healthcare professional will conduct a physical examination, which includes a neurological exam, to rule out any medical conditions, such as seizures or thyroid problems, which might be causing the symptoms.

3. Psychiatric evaluation: A comprehensive psychiatric evaluation will be made, which includes behavioral assessments and standardized tests to assess for ADHD symptoms. The healthcare professional will evaluate the patient’s attention span, ability to focus, impulse control, and hyperactivity.

4. Collateral information: Information from teachers, parents, or other caregivers who know the patient well can be valuable in making a diagnosis of ADHD. They can provide information on the patient’s behavior and symptoms in different environments.

5. Additional evaluation: In some cases, additional evaluations may be necessary, such as a neuropsychological assessment, to further pinpoint the functioning of the brain.

There is no single test that can definitively confirm a diagnosis of ADHD. Rather, the diagnosis is made based on a combination of factors, including the presence of a certain set of symptoms, the patient’s medical and family history, and observed behavior. The healthcare professional will consider all of these factors when making a diagnosis and will also look for other potential causes, such as anxiety or depression, that might be causing or exacerbating symptoms.

Once the diagnosis is confirmed, the healthcare professional will work with the patient and their family to develop an individualized treatment plan, which may include medication or behavioral therapies.

Are you born with ADHD or does it develop?

Attention Deficit Hyperactivity Disorder or ADHD is a neurodevelopmental condition that affects both children and adults. There is often confusion about whether the disorder is something that you are born with or whether it develops over time. Research suggests that there is no single cause for ADHD, and that it is influenced by a complex interplay between genetic, environmental and neurological factors.

Genetic factors play a significant role in the development of ADHD. Studies indicate that the condition runs in families, with children of parents with ADHD being up to six times more likely to develop ADHD than children without the genetic predisposition. Research has identified several genes that are associated with ADHD, but no single gene has been identified as a definitive cause.

It is believed that some genes may affect the development of the brain regions that are responsible for attention, impulsivity and hyperactivity.

Environmental factors such as prenatal exposure to nicotine, alcohol or drugs, premature birth, low birth weight and exposure to toxins like lead can also affect the development of ADHD. Children who experience trauma, neglect or abuse may also have a higher risk of developing the disorder.

Neurological factors like differences in the structure and function of the brain in people with ADHD may also contribute to the development of the disorder. Studies using neuroimaging techniques suggest that individuals with ADHD have differences in the size, shape and activity of certain brain regions that are involved in attention, impulse control, executive function and motor activity.

Research suggests that ADHD is a complex condition influenced by a combination of genetic, environmental and neurological factors. While some aspects of the disorder are present at birth, it is likely that it develops over time. The specific causes of ADHD for each individual may vary, and effective treatment often requires a comprehensive approach that addresses multiple factors influencing the disorder.

Is ADHD a disability or coping mechanism?

Attention Deficit Hyperactivity Disorder (ADHD) is a neurodevelopmental disorder that affects individuals’ attention, wherein they struggle to focus and maintain attention on tasks for an extended period. It is a complex disorder that impacts an individual’s cognitive, emotional, and behavioral aspects, making it difficult for them to handle everyday activities.

As to whether ADHD is a disability or a coping mechanism, it may depend on how someone perceives it. For some people, ADHD can be a way to cope with certain situations, such as dealing with boredom, high-pressure environments, or intense emotions. For others, ADHD can be considered a disability because it negatively impacts their daily life.

ADHD can cause a lot of problems in various areas of life, such as academics, employment, social interactions, and personal relationships. Children with ADHD may have difficulty paying attention in class, completing assignments, and following rules, which can lead to poor academic performance. In adulthood, individuals with ADHD may struggle with job performance and maintaining employment due to difficulty with organizational skills, task completion, and time management.

Moreover, individuals with ADHD may struggle with social interactions as they may come across as impulsive or intrusive. This can impact their ability to form and maintain relationships with others.

On the other hand, some people with ADHD might view it as a coping mechanism that helps them to multitask and hyper-focus on task completion. Many individuals with ADHD are highly creative and may thrive in fast-paced, high-stress environments.

Some researchers also suggest that ADHD may have provided an evolutionary advantage in certain situations, such as hunting or gathering, making it a possible adaptive trait rather than a disability.

Adhd can be considered a disability or a coping mechanism, depending on the context in which it is viewed. It is essential to understand that individuals with ADHD may face many challenges in daily life, which may require support and accommodations to help them succeed. Acknowledging and addressing ADHD’s struggles may lead to exploring opportunities and finding effective coping mechanisms to manage symptoms.

Above all, individuals with ADHD should not be stigmatized and should receive the necessary support and acceptance to lead fulfilling lives.

Which parent passes down ADHD?

ADHD (Attention Deficit Hyperactivity Disorder) is a neurodevelopmental disorder that affects a person’s ability to pay attention, control impulses, and manage their behavior. It is a complex disorder that is influenced by a range of factors, including genetics, environmental factors, and brain chemistry.

There is no single gene that causes ADHD, but multiple genes and variations in those genes have been linked to ADHD. The condition is generally believed to be inherited, which means that it is passed down from one or both parents to their children.

While the inheritance pattern of ADHD is not fully understood, there is evidence to suggest that it is a relatively complex genetic condition that involves many different genes. This means that there is no straightforward answer to the question of which parent passes ADHD down.

While both parents can have a role in passing on ADHD, research suggests that genetic factors may play a greater role than environmental factors. Studies have found that children who have a parent or sibling with ADHD are two to eight times more likely to develop the condition than those who do not have a family history of ADHD.

Moreover, researchers have identified several specific genes that are associated with ADHD, including those that affect dopamine regulation, the neurotransmitter that is responsible for regulating focus, attention, and motivation. These genetic variants can be passed down from both parents and are thought to contribute to the development of ADHD.

In addition to genetic factors, researchers have also identified a range of environmental factors that can increase the risk of ADHD. These include exposure to toxins, such as lead or pesticides, during pregnancy or early childhood, premature birth, low birth weight, and maternal smoking during pregnancy.

Overall, the inheritance of ADHD is a complex and multifaceted process that involves both genetic and environmental factors. While both parents can play a role in passing on the disorder, genetic factors are generally believed to have a greater impact. Understanding the underlying causes of ADHD is an ongoing area of research that may one day lead to new treatments and prevention strategies.

Can ADHD be caused by trauma?

Attention Deficit Hyperactivity Disorder (ADHD) is a neurological condition that affects millions of people worldwide. The exact cause of ADHD is still unknown to date, and a combination of factors, including genetic and environmental factors, could play a role.

Recent research suggests that trauma or adverse childhood experiences can cause or exacerbate ADHD symptoms. In fact, a study conducted by the Institute of Psychiatry, Psychology, and Neuroscience at King’s College London found that individuals who experienced repeated traumatic events in early childhood had a higher risk of developing ADHD symptoms later in life.

Trauma can refer to any physical, emotional, or psychological shock that an individual experiences, and it can manifest in several forms. Some examples of trauma that can trigger ADHD symptoms include physical abuse, sexual abuse, neglect, chronic stress, domestic violence, traumatic brain injury, and others.

Trauma impacts the brain’s development and causes a significant change in the brain’s structure, especially in children. Trauma can lead to changes in the prefrontal cortex, which plays a role in concentration, self-regulation, and impulse control, all of which are affected in individuals with ADHD.

Additionally, trauma can cause changes in the limbic system, which controls the regulation of emotions, impulses, and attention. This is why individuals with a history of trauma may exhibit impulsive behavior, struggle with hyperactivity, and have difficulty controlling their emotions.

Therefore, it’s critical to identify and address any underlying trauma that may be contributing to a person’s ADHD symptoms. Seeking out therapy, counseling, or other forms of mental health support can help an individual process and overcome any trauma they may have experienced.

While trauma may be a contributing factor to ADHD symptoms, it’s important to remember that not everyone who experiences trauma develops ADHD. The cause of ADHD is still not understood fully, and it’s likely to be the result of a combination of genetic, environmental, and societal factors.

Is ADHD caused by low dopamine?

Attention Deficit Hyperactivity Disorder (ADHD) is a neurological disorder that primarily affects children but can also persist into adulthood. It is characterized by symptoms such as hyperactivity, impulsivity, and inattention. There is no single cause of ADHD, and it is believed to be a complex interplay of genetic, environmental, and neurological factors.

While dopamine is a neurotransmitter that plays an essential role in the brain’s functioning, its connection with ADHD is controversial. Dopamine is associated with reward, motivation, and pleasure, and it is believed to be involved in attention and the regulation of impulsive behaviors. Some research studies have found that people with ADHD have lower levels of dopamine in certain areas of their brains, such as the prefrontal cortex and basal ganglia.

However, the relationship between dopamine and ADHD is not straightforward. For example, some studies have found that people with ADHD have higher levels of dopamine transporters, proteins that recycle dopamine in the brain, which could indicate a compensatory mechanism in response to lower dopamine levels.

Additionally, not all people with ADHD have lower dopamine levels, and not all people with lower dopamine levels have ADHD.

Furthermore, ADHD is a heterogeneous disorder, meaning that there are different subtypes that have different underlying mechanisms. For example, some people with ADHD have primarily hyperactive-impulsive symptoms, while others have predominantly inattentive symptoms. The subtype of ADHD may be related to differences in dopamine levels or other neurochemical imbalances in the brain.

While dopamine may play a role in the development of ADHD, it is not the sole cause of the disorder. Other factors such as genetics, environmental factors, and other neurochemical imbalances may also contribute to the development of ADHD. It is essential to continue researching the complex nature of ADHD to better understand its underlying mechanisms and develop effective treatments that address its multiple causes.

Is ADHD a form of Autism?

ADHD (Attention-Deficit/Hyperactivity Disorder) and Autism Spectrum Disorder (ASD) are two distinct neurodevelopmental disorders that are often confused or conflated. While there are some similarities between the two, the fundamental differences in symptoms, causes, and development make it clear that ADHD is not a form of autism.

ADHD is characterized primarily by problems with attention and impulse control, as well as hyperactivity or restlessness. Individuals with ADHD may struggle to focus on tasks or sustain attention over long periods of time, and may act impulsively or recklessly in social, academic, or personal situations.

Hyperactivity may manifest as fidgeting, restlessness, excessive talking, or an inability to stay still for extended periods. ADHD is typically diagnosed in childhood, but may persist into adulthood in some cases.

ASD, on the other hand, is defined by a range of social, communication, and behavioral challenges. These may include difficulty with verbal and nonverbal communication, impaired social interaction, repetitive or stereotyped behaviors or interests, and heightened sensitivity to sensory input. Autism is also typically diagnosed in childhood, but the severity and expression of symptoms may vary widely, and it may be difficult to diagnose in high-functioning individuals or those with milder forms of the disorder.

While there is some overlap between ADHD and ASD, they are fundamentally different in their underlying causes and brain function. ADHD is thought to be primarily a problem with dopamine regulation in the brain, leading to difficulties with motivation, reward processing, and impulse control. Autism, on the other hand, is believed to be a result of atypical neural connectivity and processing, leading to differences in social cognition, communication, and sensory perception.

While the symptoms of ADHD and ASD may sometimes look similar, they are fundamentally different disorders with distinct causes, characteristics, and treatment approaches. It is important for individuals and families to seek proper diagnosis and support for each condition, as well as to avoid confusion or conflation between the two.

Can you get ADHD without being born with it?

Yes, it is possible for an individual to develop ADHD later in life without being born with it. The exact causes of ADHD are not fully understood, but it is typically believed that it is caused by a combination of genetic and environmental factors.

In some cases, ADHD may be triggered or exacerbated by environmental factors such as stress, trauma, or exposure to toxins. For example, research has shown that prenatal exposure to alcohol or tobacco increases the risk of developing ADHD in childhood.

Additionally, certain medical conditions or injuries can also lead to the development of ADHD. For example, studies have shown that traumatic brain injury (TBI) is associated with an increased risk of developing ADHD.

Furthermore, although ADHD is often diagnosed in childhood, it is possible for individuals to go undiagnosed until adulthood. This may be due to a variety of factors, such as the individual developing coping mechanisms that mask the symptoms, or lack of awareness about the disorder.

Overall, while ADHD is typically considered a neurodevelopmental disorder that is present from birth, it is possible to develop the disorder later in life due to a variety of genetic and environmental factors. It is important for individuals who suspect that they may have ADHD to seek professional evaluation and treatment to manage their symptoms and improve their quality of life.

Resources

  1. Causes of ADHD: What We Know Today – HealthyChildren.org
  2. What causes attention deficit hyperactivity disorder? – PMC
  3. Attention deficit hyperactivity disorder (ADHD) – Causes – NHS
  4. The 3 Causes of ADHD
  5. Attention-deficit/hyperactivity disorder (ADHD) in children