Forgot milk? Better get to know Forteo and Fosamax.In a new study with potentially life-altering implications for millions of Americans with osteoporosis, researchers at the University of California-San Francisco have found that new bone can be formed -- and then maintained -- by taking a hormone for one year and a popular prescription drug for the next.The findings, which appear in today’s New England Journal of Medicine, raise hopes that stronger bones might translate into fewer broken hips and so-called dowager’s humps, boosting the quality of life for many seniors and saving the country billions of dollars in medical costs annually.