Attention-deficit/hyperactivity disorder is a brain development condition that can cause inattention, hyperactivity and impulsivity.| Cleveland Clinic
A psychiatrist is a medical doctor who can diagnose and treat mental health conditions. They can prescribe medications and other medical treatments.| Cleveland Clinic
A psychologist is a mental health professional who uses talk therapy to help people learn to cope with life and relationship issues and mental health conditions.| Cleveland Clinic
Cleveland Clinic’s Health Library provides information about diseases, conditions, treatments and body systems to help answer questions you may have about your health — from the everyday to the complex.| Cleveland Clinic
Learn more about our voice, writing process and commitment to all readers.| Cleveland Clinic
The Diagnostic and Statistical Manual of Mental Illnesses, or DSM-5, is the American Psychiatric Association’s professional guide to mental health conditions.| Cleveland Clinic
Neurotransmitters are chemical molecules that carry messages or signals from one nerve cell to the next target cell. They’re part of your body’s communication system.| Cleveland Clinic
Cleveland Clinic advertising supports our core mission and helps us improve our site as a resource for trusted health content. Learn how to advertise with Cleveland Clinic.| Cleveland Clinic
Depression is a mood disorder that causes a persistent feeling of sadness and loss of interest in things and activities you once enjoyed. It’s treatable.| Cleveland Clinic
There are seven types of anxiety disorders. Do you know all of them?| Cleveland Clinic
Dopamine is a neurotransmitter made in your brain. It’s known as the “feel-good” hormone, but it’s also involved in movement, memory, motivation and learning.| Cleveland Clinic