Hi im currently 16, and only recently theres been a lot of change in my life and a couple of deaths over the last couple of years. I have also lost my father which still comes back to haunt me now and again. Only recently have i started to think about this quite a lot, that if i were depressed. Only reason why im thinking this is because i used to have a passion for sciences and find that im losing interest really quickly having trouble understand things that i used to find simple, also have a very heavy habbit for biting my nails. Im not sure what you would say to this, and i know this is a very lengthy post so again im not sure what your going to reply with. But all im wondering is if these are possibly reasons i should consult a doctor about my current status. I do feel my future is going no where the way im currently going which is a honest to god scenario atm in time.