Hey everybody I'm David,17 years old, experiencing a lot of nosebleeds like 8 in 48 hours & I don't know what is causing it, I have a few clues from my environment, stress sometimes,mold in house,use to eat unhealthy like cheeseburgers everyday no vegetables stop 6 months use to have chest pains, can't sleep fast heart beats,feel dull, no exercise, I'm skinny though look good, eat all organic, might have high cholesterol? Any causes might be?