Steve Magness writes a great blog called Science of Running. This post talks about how he tracks data with his runners. You get to see how important sleep really is to performance. Tracking Collegiate Runners.
If you have ever wondered about how much steroids may help, this article give a small insight into the world of powerlifting and steroids. What Powerlifting Tells Us. We are now starting to see that even taking steroids for a little while can translate to gains years down the road.
I just like reading studies like this. Keeping Older Muscles "Young" through Protein and Exercise.