IN 2008, I GOT IN A FIGHT AND WAS UNCONCIOUS. i DONT KNOW FOR HOW LONG. SINCE THEN I HAVE GOT REALLY BAD HEADACHES, NO SEXUAL DESIRE, AND MY HAIR IS FALLING OUT. iN 2009 I GOT CORTIZONE SHOTS ON MY HEAD TO MAKE MY HAIR GROW AGAIN, AND IT WORKED, BUT NOW IN 2011 MY HAIR IS FALLING AGAIN! WHAT CAN THIS BE!!??