ADHD and bipolar disorder have some overlapping symptoms, which can make diagnosis difficult. But symptoms of ADHD tend to appear before the age of 12. Bipolar disorder may start later.

Sensory processing disorder—also known as SPD or sensory integration disorder—is a term describing a collection of challenges that occur when the senses fail to respond properly to the outside ...

No. Like all personality disorders, schizoid personality disorder is a lifelong pattern of behavior, and does not lead to subjective distress in the afflicted individual.Schizophrenia, by contrast ...

Attention deficit hyperactivity disorder (ADHD) is a chronic condition that impacts an individual’s emotions, behaviors, and the ability to learn new things. It mainly affects children ...

Bipolar disorder can lead to risky behavior, damaged relationships and careers, and even suicidal tendencies if it's not treated. Doctors don't completely understand the causes of bipolar disorder.

Dissociative amnesia is the most common dissociative disorder, which are conditions that cause people to feel detached or disconnected from themselves or reality. In dissociative amnesia ...