It's not easy for anyone when the time to put away the car keys is reached: the time when he or she has to relinquish that great worldwide symbol of independence -- driving a car. It happens for some at earlier ages than for others. Sight starts to fail and driving at night becomes increasing difficult. Reflexes slow and the foot moves slower from the gas to the brake.
The fastest growing segment of the American population is adults over the age of 85, and when you carefully test that population you can detect some degree of cognitive impairment in 40 to 50 percent of them. That's not synonymous with loss of decision-making ability, but it places our older loved ones at greater risk!