AOL.com Video - A Trip to Mars Could Increases Chances of Alzheimer's For Astronauts

VIDEO:News

A Trip to Mars Could Increases Chances of Alzheimer's For Astronauts

Description:These astronauts are shaking out their nerves. After all, spacewalking is dangerous business. One false move could prove fatal. But according to Dr. M. Kerry O'Banion and his research team at the University of Rochester Medical Center, astronauts of the future, those taking long journeys to Mars or the Asteroid Belt, may have have even more to worry about. (2:23)

Source: Reuters

Tags: reuters , asteroid belt , Dr. M. Kerry OBanion