If you do not intend to reveal your reasons for taking a day or if your employer is much less understanding, don't really feel required to share. The National Institute of Mental Health (NIMH) becomes part of the National Institutes of Health And Wellness (NIH), a component of the U.S. Clinical depression, particularly in midlife or older adults, can co-occur with various other severe medical health problems, such as diabetes, cancer cells, cardiovascular disease, and Parkinson's disease. These problems are commonly worse when depression exists. Sometimes medications taken for these physical diseases may trigger negative effects that contribute to clinical depression.