The leading cause of injuries for older Americans is falling – every year nearly one of three adults over 65 years will fall. Part of this is due to the role that frailty plays in the decline of strength and fortitude in older adults. Researchers at both Columbia and Johns Hopkins Universities have found that activity plays an integral role in the fight against frailty. Are you worried that your parent will take a fall that could change their life? Read on to find out what causes frailty and how best to avoid it well into the golden years.