Depression is a mental health disorder characterized by persistent sadness, hopelessness, and a lack of interest or pleasure in once enjoyable activities. Depression can also cause physical symptoms such as fatigue, changes in appetite, and sleep disturbances.
Depression is a common and serious medical illness that negatively affects how you feel, think, and act. It is estimated to affect hundreds of millions globally and ranges from mild to severe. Depression is treatable, and with the right care, most people with depression can improve and recover.