Nano homeopathy Dr. Madhav Shyam. 09312311849. Depression is a mood disorder that can affect a person's daily life feeling.down from time to time is a normal past of everyone's life . depression changes how you think feel and function in daily routine activities. It may be described as feelings of loss sadness anger, loss of interest in any activites. Some symptoms may include changes in sleep appetite energy level concentration daily behaviour or self esteem. Depression canalso be associated with thought's of suicide. Visit us @nano homeopathy F.no-17, pocket-8, sec-12, Dwarka New Delhi. Contact us:09312311849.