Do cell phones cause cancer? Does caffeine make you live longer? How much sleep do you actually need?Do cell phones cause cancer? Does caffeine make you live longer? How much sleep do you actually need? These are the health questions that we never seem to stop asking. Doctor-turned-journalist James Hamblin explores the answers to these questions and more with an illuminating and funny take in his book, If Our Bodies Could Talk. Hamblin draws knowledge from his own medical training as well from hundreds of interviews with scientists and medical professionals. Taking potentially boring health information and turning it into accessible help, Hamblin offers clarity to confusing health issues and helps you worry less about things that might not matter. Bonus! Do You Really Need that Medical Test?