Symptoms of ADHD vs. Anxiety ADHD and anxiety share many of the same symptoms. Because there is so much overlap between the two conditions, it is helpful to know the symptoms and how they can differ.

Two conditions that can sometimes appear similar but have distinct underlying causes are bipolar disorder and ADHD (Attention Deficit Hyperactivity Disorder).

Licensed mental health counselor Sabrina Nasta and ADHD expert McCall Letterle map out how ADHD shows up in boys compared to girls, and eventually in men compared to women.

Many people refer to ADHD and ADD as separate conditions, but they are mostly identical with the term ADD simply being outdated.

Having ADHD, or attention deficit hyperactivity disorder, is linked to an increased risk of major depression, PTSD, anorexia nervosa and attempted suicide, a new study found.