This guidebook helps people who are diagnosed with breast cancer understand what is happening to them while they cope physically and emotionally with cancer treatment.

It's not you; it's your schedule. Does it sound like magic? It's not. We've all heard of circadian rhythms-those biological processes that give us jet lag and make us night owls or early birds. But few of us know just how profoundly these diurnal patterns affect our overall health. Bad habits-like skipping meals, squeezing in workouts, working late into the night and then trying to catch up on sleep during the weekend-disrupt our natural cycles. A...