New York Times Bestseller
A Discover Magazine Best Book of 2012
An O, The Oprah Magazine Summer Reading Pick
Finalist, 2013 AAAS/Subaru SB&F Prize for Excellence in Science Books

Do animals overeat? Get breast cancer? Have fainting spells?
Inspired by an eye-opening consultation at the Los Angeles Zoo, which revealed that a monkey experienced the same symptoms of heart failure as her human patients, cardiologist Barbara Natterson-Horowitz embarked upon a project that would reshape how she practiced medicine. Beginning with...