Joining the ranks of modern myth busters, Dr. Sharon Moalem turns our current understanding of illness on its head and challenges us to fundamentally change the way we think about our bodies, our health, and our relationship to just about every other living thing on earth, from plants and animals to insects and bacteria. So why does disease exist? Moalem proposes that most common ailments--diabetes, hemochromatosis, cystic fibrosis, sickle cell anemia--came into existence for very good reasons. At some point they helped our ancestors survive some grand challenge to their existence. Examining the evolution of man, Moalem reveals the role genetic and cultural differences have played in the health and well-being of various races, including their susceptibility to disease. With mesmerizing insight, Moalem offers groundbreaking insight into: - How diabetes may be a biproduct of a mechanism that helped humans survive the Ice Age - Why African Americans living in the north might suffer from vitamin D deficiencies, - Why Asians can't drink as much alcohol as Europeans Revelatory, utterly engaging, and timely--Moalem ponders strongN1, the emerging Avian Flu virus--Why Redheads Feel More Pain and Asians Can't Drink will irrevocably change the way we think about our bodies and ourselves.

"Titillating and provocative essays from one of the freshest voices in science today -- Why do testicles hang the way they do? Is there an adaptive function to the female orgasm? What does it feel like to want to kill yourself? Does "free will" really exist? And why is the penis shaped like that anyway? In Why Is the Penis Shaped Like That?, the research psychologist and award-winning columnist Jesse Bering features more than thirty of his most popular essays from Scientific American and Slate, as well as two new pieces, that take readers on a bold and captivating journey through some of the most taboo issues related to evolution and human behavior. Exploring the history of cannibalism, the neurology of people who are sexually attracted to animals, the evolution of human body fluids, the science of homosexuality, and serious questions about life and death, Bering astutely covers a generous expanse of our kaleidoscope of quirks and origins. With his characteristic irreverence and trademark cheekiness, Bering leaves no topic unturned or curiosity unexamined, and he does it all with an audaciously original voice. Whether you are interested in the psychological history behind the many facets of sexual desire or the evolutionary patterns that have dictated our current mystique and phallic physique, Why Is the Penis Shaped Like That? is bound to create lively discussion and debate for years to come"--