hi. sir I wanted to complain you of my headache. i dunno what actually is that. pain in forehead and pain on facing lights. i used to studying many hours in a day and after that i started experiencing headache. its been a month. i cant study well. before when we were on vacations for 10 days i felt allright. but again on my study routine same headache. im 25 years old. i need your immediate consultatation kindly