Aging is a natural, beautiful part of life. However, some aspects of growing older are more challenging to accept than others. Wrinkles, fine lines, gray hair, the loss of lean muscle mass, decreased mobility, greater susceptibility to falls and fractures, and fighting to maintain your independence can all be tough pills to swallow. But there are certain things you can start doing today to ensure you'll age gracefully and healthily well into your older years. We spoke with Imogen Van Haagen,