An illness that involves the body, mood, and thoughts and that affects the way a person eats, sleeps, feels about himself or herself, and thinks about things. The signs and symptoms of depression include loss of interest in activities that were once interesting or enjoyable.
Depression varies from person to person, but there are some common signs and symptoms. It’s important to remember that the symptoms can be part of life’s normal lows. But the more symptoms you have, the stronger they are, and the longer they’ve lasted.