Depression (major depressive disorder) - Symptoms and causes Depression is a mood disorder that causes a persistent feeling of sadness and loss of interest Also called major depressive disorder or clinical depression, it affects how you feel, think and behave and can lead to a variety of emotional and physical problems
Mood disorders - Symptoms and causes - Mayo Clinic Moods that go back and forth between emotional highs, called mania or hypomania, and lows, called depression Feeling on top of the world, superior to others, or that you're so strong that nothing can harm or change you
Persistent depressive disorder - Symptoms and causes Persistent depressive disorder is a continuous, long-term form of depression You may feel sad and empty, lose interest in daily activities and have trouble getting things done
What is depression? A Mayo Clinic expert explains. While there's no single cause of depression, most experts believe there's a combination of biological, social, and psychological factors that contribute to depression risk
Bipolar disorder - Symptoms and causes - Mayo Clinic Bipolar disorder, formerly called manic depression, is a mental health condition that causes extreme mood swings These include emotional highs, also known as mania or hypomania, and lows, also known as depression
Major Depressive Disorder - Mayo Clinic Press Depression is a mental health disorder that results in a feeling of sadness and loss of interest Also called major depressive disorder or clinical depression, it can lead to a variety of other issues, both physical and emotional
Seasonal affective disorder (SAD) - Symptoms causes - Mayo Clinic Seasonal affective disorder (SAD) is a type of depression that's related to changes in seasons — SAD begins and ends at about the same times every year If you're like most people with SAD, your symptoms start in the fall and continue into the winter months, sapping your energy and making you feel moody
Clinical depression: What does that mean? - Mayo Clinic Depression ranges in seriousness from mild, temporary episodes of sadness to severe, persistent depression Clinical depression is the more-severe form of depression, also known as major depression or major depressive disorder