http://www.medications.com/effect/view/42200 I just started taking Yaz about a week ago. So far I have noticed both good and bad things about this pill. The good side to Yaz is: It got rid of my cramps & made my period soo much lighter, I couldn't believe it. You know how your period is usually heav Mon, 15 Jun 2009 09:40:59 -0400 http://www.medications.com/effect/view/42200?item=20617 i am also 19 and been on yaz for a year, in 4 months i gained 20 pounds. over the time my mood just became worse and worse. it made me depressed and i advise you to change from yaz as soon as possible. i am changing tomorrow. my entire family noticed that http://www.medications.com/effect/view/42200?item=20617