Chris Hemsworth adopting healthy lifestyle after learning he is at risk for Alzheimer's disease

While filming his new TV series Limitless, the Thor actor underwent extensive blood work with the tests showing he may be at higher risk for developing the progressive neurologic disorder. Specifically, longevity specialist Dr. Peter Attia told Hemsworth he is eight to 10 times more likely to develop Alzheimer's than members of the general population. In light of the discovery, the Australian star is doing all he can to protect the health of his brain. He said during an appearance on Good Morning America on Thursday…