ADHD: What Causes It

Risk Factors Scientists are not sure what causes ADHD. Like many other illnesses, a number of factors can contribute to ADHD, such as: Genes Cigarette smoking, alcohol use, or drug use during pregnancy Exposure to environmental toxins during pregnancy Exposure to environmental toxins, such as high levels of lead, at a young age Low birth […]

Read More

ADHD: Signs and Symptoms

Signs and Symptoms Inattention and hyperactivity/impulsivity are the key behaviors of ADHD. Some people with ADHD only have problems with one of the behaviors, while others have both inattention and hyperactivity-impulsivity.Most children have the combined type of ADHD. In preschool, the most common ADHD symptom is hyperactivity. It is normal to have some inattention, unfocused […]

Read More
Discover More