 [ Symptoms ] i am 17 year teen boy i have been getting acne on my face from last 3 years what should i do  well i am getting acne on my face continuously i tried various products but none of them worked 3 years i have been through this i also have problem of more than average sweating are they interrelated what should i do to stop acne [ Disease ] half life is a measurement of the amount of time it takes the body to clear half the medication from the body