Chris Hemsworth. Theo Wargo/Getty Images Chris Hemsworth is weighing in on the public’s reaction to news that he has a genetic predisposition to Alzheimer’s. “It really kind of pissed me off because it felt like I had been vulnerable with something personal and shared this,” he shared in a Vanity Fair cover story, published on Tuesday, April 30. “No matter how much I said, ‘This is not a death sentence,’ the story became that I have dementia and I’m reconsidering life and retiring and so on.” He