As America's over-65 population grows, so too does the number of falls and deaths—and the associated costs, according to a CDC study.
That means about 31 million people over age 50 are increasing their risk of heart disease, diabetes and cancer.
Older Americans are prepared for aging, but show concern for physical and mental challenges.
Chronic illnesses also increase vulnerability to temperature spikes.
Mental and physical activity may keep your mind healthy in other ways.
