If you are overweight and balding, could one condition negate the other? Yale researchers have identified stem cells stored in fat that contain a kind of Miracle Grow for hair. Bald men still have the proper stem cells for hair growth in their follicles' roots, but they lose their ability to seed anything but shiny, hairless skin. "If we can get these fat cells in the skin to talk to the dormant stem cells at the base of hair follicles, we might be able to get hair to grow again," researcher Valerie Horsley says in a release. Article | Yale release