Many Families With High Breast Cancer Risk Await a Genetic Explanation

Posted on Categories Discover Magazine

For decades, Piri Welcsh has had professional and personal stakes in understanding the genetics of breast cancer. In the 1990s, the molecular geneticist participated in an international race to clone BRCA1, the first gene linked to breast cancer risk, and she works to this day in the lab of pioneering breast cancer geneticist Mary-Claire King at the University of Washington. And then there’s Welcsh’s own family. Her grandmother died of breast cancer, her mother is a breast cancer ...read more

Can Men Tell When Women are Ovulating? Decades of Creepy Experiments Still Can’t Prove It

Posted on Categories Discover Magazine

For most animals, sex time is obvious. During the fertile phase of their reproductive cycles, females go into heat. They act, smell and look different, sending an unambiguous signal to males: “Come impregnate me.” But what about humans? Women have sex throughout their menstrual cycles, and don’t show conspicuous outward changes around ovulation — the time of month when pregnancy can occur. Yet many researchers think there are subtle clues that a lady is in her fertile w ...read more