Depression is an illness that involves the body, mood, and thoughts and affects the way a person eats and sleeps, the way one feels about oneself, and the way one thinks about things. A depressive disorder is not the same as a passing blue mood and is more than a case of persistent sadness.
Symptoms of depression also include
- feelings of worthlessness,
- lack of interest in daily activities,
- loss of energy,
- loss of appetite,
- sleep problems,
- thoughts of suicide.