Whether or not you'll someday get cancer or any disease can feel like a roll of hundreds of dice. Calculating the odds --€” and knowing what they mean --€” is tricky. Katie Harbath/Flickr hide caption

itoggle caption Katie Harbath/Flickr
iStockphoto.com

Neuroscientists have found evidence to suggest feeling powerful dampens a part of our brain that helps with empathy. Vladgrin/istockphoto.com hide caption

itoggle caption Vladgrin/istockphoto.com

Liza Long's son, 13, struggles with rage and violent outbursts. After the school shootings in Newtown, Conn., Long wrote a blog post advocating for better care for mentally ill youth. StoryCorps hide caption

itoggle caption StoryCorps