Read a book by Tim Ferris, entitled THE FOUR HOUR BODY. Get it thru your libary and the interlibrary book loan system. He's been experimenting on himself for a decade now, and has some fantastically helpful stuff to share with you. How to gain and lose tremendous amounts of weight, easily. "wearing" an icepack under your neck for 15 minutes a day helps lose a lot of weight, for instance. Swinging a kettleball for 4 hours a month helps gain a lot of muscle.