Too many people simply allow life to happen to them. It's essential that people be aware of what's happening. That way they can make adjustments before small problems become larger. Self-evaluation also helps avoid burnout and depression.

When most men turn 93, they may desire a fancy dinner out with friends or family and a good nap. But, not Everett Kalin. He, his son and granddaughter went climbing instead.

The findings appear to suggest people who don't pursue purpose later in life will start to experience cognitive impairment. Once those symptoms begin, then mental decline accelerates.

The film tells inspiring stories of four individuals, age 50 or older, who found purpose by dedicating themselves to improving their communities.

More exercise has been proven to influence the hormones, enzymes and proteins which work to combat the effects of Alzheimer's disease.

Jen realized after she turned 50 that her whole life had been devoted to serving other people. In doing so, she had neglected the things she loved to do herself.