Eating properly, staying social, getting exercise are three of the best ways to keep a healthy body and mind throughout your life. Some of these are especially important as we age. One of the biggest threats for older individuals is falling. According to a study in the Journal of Physical Therapy Science, about one third of the elderly population in the United States experiences at least one fall per year. These falls are costly. In the United States, the total direct cost of fall injuries for older individuals reached $20 billion, this number is expected to increase to $44 billion by 2020.