birth control
"I am 18 and have been on tri-cyclen since I was 16. The first 3 months of taking the pill were rough, I was always tired, gained a little weight, and had mood swings. HOWEVER, as it says on the pill pack instructions and through personal experience, as you continue to take it, all of the symptoms go away. I am back to my normal weight (I am 5'2" 108 pounds), not tired anymore, have 100% clear skin, and extremely short, painless periods. I have even forgot to take a pill and it never failed to work, making these great for girls who are just starting birth control. These are low dose so weight gain is NOT a symptom!!! Most of the negative reviews are from  women (who are advised not to take oral contraceptives, 35  years old)"