Sara Bellum
July 17 2009

Regardless of whether or not teens should care about body image or physical appearances, the truth is that we do care, a lot. And working out is a healthy way to look and feel better. The trouble comes when people sacrifice their health to look buff—like by taking steroids.

While not that many teens try steroids even once, according to NIDA surveys (about 3 in 100), those who do use steroids are getting a lot more than just larger muscles. Steroids can cause acne and make your hair fall out. They can also damage your heart and change your hormone levels so that girls might grow facial hair, and boys could develop breasts. Seriously.

In the video above, NIDA scientist Dr. Baler reveals more about what steroids can do.