I am 21 years old and have had acne since I was 13. Not normal acne, it was like cystic and none could make it go away. I was also acting nuts when my period came around. I've tried SO many birth control pills and Yaz is the only one that has worked on my acne AND my moods. I was on Yasmin prior and the doctor said it was making me crazy so to try to sister Yaz. I know people that are on it and they hate it, but I think if you have SEVERE PMS and SEVERE acne, it will work to your advantage. The only thing I have had trouble with is awful migraines, but I got new glasses that are anti-reflectant and that seems to help tremendously. I'm taking Zoloft as well and I notice that if I take them at the same time, I get horrible nausea, so by taking them 12 hours apart, all is well!