Aging might be associated with decline, but a new study suggests that many people end up improving with age. Scientists at Yale University analyzed more than a decade of data from a large and nationally representative study of older adults in the United States, and found that the elderly can and do improve over time. However, a person's mindset towards aging plays a major part in whether a person improves. Researchers followed more than 11,000 participants in the Health and Retirement Study,