Causes. The cause of obsessive-compulsive disorder isn't fully understood. Main theories include: Biology. OCD may be a result of changes in your body's own natural chemistry or brain functions.; Genetics. OCD may have a genetic component, but specific genes have yet to be identified.; Learning. Obsessive fears and compulsive behaviors can be learned from watching family members or gradually

ADD Symptoms in Teenagers | Healthfully Inattentiveness and Hyperactivity Symptoms Health-care professionals use the criteria described by the "Diagnostic and Statistical Manual of Mental Disorders," or DSM, to diagnose ADHD. Depending on his symptoms, a teen may be diagnosed with the "predominantly inattentive" subtype, the "predominantly hyperactive-impulsive" subtype or a Symptoms of ADD - Aug 13, 2015 Do I Have ADD? ADHD Symptoms in Adults: Checklist and Tests

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Learn the symptoms and signs of attention deficit hyperactivity disorder (ADHD) and the medications that treat it. Common ADHD symptoms and signs include hyperactivity, inattention, and frequent talking. Pinpoint your symptoms and signs with MedicineNet's Symptom Checker.

The signs and symptoms a child with attention deficit disorder has depend on which characteristics predominate. Children with ADHD may be: Inattentive, but not hyperactive or impulsive. Hyperactive and impulsive, but able to pay attention. Inattentive, hyperactive, and impulsive (the most common form of ADHD). Attention Deficit Disorder, also commonly referred to as ADD, is a group of symptoms that affect concentration and a person's ability to focus. It can also cause mood swings and other social problems. How Does ADD Manifest in Children? Children (under 12 years of age) with attention deficit disorder lack the ability to focus and concentrate. Attention deficit hyperactivity disorder, or ADHD--also known as ADD when hyperactivity is not present--is a psychiatric disorder characterized by impulsivity, hyperactivity and inattention. There are three types of ADHD, defined by which of these three symptoms the patient suffers from the most. One type, passive ADD, is also known as predominantly inattentive type, or ADHD-I. To be diagnosed The interest in Attention Deficit Disorder (ADD) tends to focus mainly on children, which makes information about adult Attention Deficit Disorder symptoms a little bit harder to find. Although ADD is definitely a hot health concern in today’s society, the disorder was not much heard of when the adult of today was a child decades ago.