Depression (mood)

Depression is a <a href="/facts/Mental_state/sHsDj380">mental state</a> of low <a href="/facts/Mood_(psychology)/mnozVozL">mood</a> and aversion to activity. It affects about 3.5% of the <a href="/facts/Global_population/tzYcheuD">global population</a>, or about 280 million people worldwide, as of 2020. Depression affects a person's <a href="/facts/Thoughts/loD3aFv9">thoughts</a>, <a href="/facts/Behavior/0Y1VqmVX">behavior</a>, <a href="/facts/Feelings/RJgeFMo1">feelings</a>, and <a href="/facts/Subjective_well-being/fLJAGQly">sense of well-being</a>. The pleasure or joy that a person gets from certain experiences is reduced, and the afflicted person often experiences a loss of motivation or interest in those activities. People with depression may experience <a href="/facts/Sadness/uKhIDMYf">sadness</a>, feelings of dejection or hopelessness, difficulty in thinking and concentration, or a significant change in appetite or time spent sleeping; <a href="/facts/Suicidal_ideation/fRd8YNjj">suicidal thoughts</a> can also be experienced.
Depression can have multiple, sometimes overlapping, origins. Depression can be a symptom of some <a href="/facts/Mood_disorders/Y0Mjq3QR">mood disorders</a>, some of which are also commonly called depression, such as <a href="/facts/Major_depressive_disorder/l2lQeWqr">major depressive disorder</a>, <a href="/facts/Bipolar_disorder/aMDwXbV0">bipolar disorder</a> and <a href="/facts/Dysthymia/bDUdlrQ5">dysthymia</a>. Additionally, depression can be a normal temporary reaction to life events, such as the loss of a loved one. Depression is also a symptom of some physical diseases and a side effect of some drugs and medical treatments.

Depression (mood) open-in-new

Depression (mood)