Yes u can be depressed without depression. I say yes cause u don't have to be sad to be depressed or anything. It could be the people your with everyday. If they stress u out much maybe don't be there. If it's school then atleast get ur work done n focus on no one else but your work. If it's a sibling u shouldn't ignore Cuz u would get more frustrated u should maybe tell them how u feel.
The most common such condition is such that occurs at childhood I.e. Kawasaki disease. It is a necrotizing vasculitis that is characterized be a predilection for the coronary arteries.
