I've just finished reading The 4-Hour Body: An Uncommon Guide to Rapid Fat-Loss, Incredible Sex, and Becoming Superhuman - by Tim Ferriss . It's an interesting guide that contains a lot of techniques to improve your body - such as a diet, exercises and concepts for gaining muscle, strength, speed, and improving you swimming, running or baseball performance. I thought it was quite interesting. Do the ideas make sense? Many seem to, and confirm published studies. Other seem a little crazy. The diet he proposes, the slow-carb diet, which has plenty of protein and vegetables, but no carbs with high glicemic content (rice, bread, etc), seems to make sense. There a few interesting ideas I'm already trying: You might have heard of drinking 500 ml of cold water when you wake up. I had, but since I didn't heard a good explanation I completely ignored it. According to the book, in at least two studies this increased resting metabolic rate 24-30%. Cold Showers: at s...