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
Your brain is made up of several different parts that work closely together to make you who you are. Learn more about this process.| 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
When you experience changes or challenges (stressors), your body produces physical and mental responses. Learn about how to manage stress.| Cleveland Clinic
Serotonin is a chemical that carries messages between nerve cells, telling your body how to perform various functions. Serotonin plays a role in mood, digestion and sleep.| Cleveland Clinic
Numbness is a loss of feeling or sensation in an area of your body. Learn more about the many causes of this symptom.| Cleveland Clinic
You know the feeling. Learn why you have it and how to stop nausea fast.| Cleveland Clinic
Do you know the types of heart disease? Learn about the different kinds.| Cleveland Clinic
Some symptoms of a heart attack may surprise you. Learn more about what could mean you’re having one.| Cleveland Clinic
A mood disorder is a mental health condition that primarily affects your emotional state. Depression and bipolar disorder are the most common mood disorders.| 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
Insomnia is when you don’t get enough quality sleep, affecting how you feel and function during waking hours. It’s usually not dangerous and is typically treatable.| Cleveland Clinic
There are seven types of anxiety disorders. Do you know all of them?| Cleveland Clinic
Cortisol is a steroid hormone that your adrenal glands release. It affects several bodily functions and mainly helps regulate your body's response to stress.| Cleveland Clinic