Add Yahoo as a preferred source to see more of our stories on Google. A diagnosis of treatment-resistant depression can lead to a sense of hopelessness and despair in some patients. Maria ...

Scientists have long wondered whether depression leads to less sleep or whether a lack of sleep triggers depression. A new study suggests it's the latter: Getting less than five hours of sleep a night ...

The term “masked depression” was once used to describe a condition where a person with depression experienced physical symptoms, called somatic or somatoform symptoms, without feeling the ...

Depression frequently co-occurs with other mental health conditions like anxiety, substance use disorder, obsessive-compulsive disorder, and post-traumatic stress disorder, which can complicate ...