When you’re young, tripping and falling might leave you with little more than a bruised ego. As you get older, minor accidents like these can be devastating. Bones can weaken with age, and osteoporosis, which causes bones to become less dense, increases the risk of fractures. More than one in four people 65 and older in the United States fall each year, and a momentary loss of balance can lead to serious injuries like hip fractures.