"[A] fascinating book. . . . [Barnéoud] ruminates on how microchimerism might change our understanding of ourselves."—Sam Kean, Wall Street Journal**What if some of your cells were not your own? What if they once belonged to someone else?Part mind-bending medical mystery—part cutting-edge science—Hidden Guests uncovers the astonishing phenomenon of microchimerism: the presence of foreign cells inside our own bodies. The incredible story of...

In this groundbreaking manual for longevity, leading longevity expert Jean-Marc Lemaitre reveals how the latest science can help you measure, slow, and even reverse biological aging at a cellular level.For generations, we've accepted aging as an inevitable decline, measuring our years by birthdays while ignoring the more crucial metric—our biological age. Traditional medicine continues to treat the symptoms of age-related diseases rather than addressing th...

Clara’s at a breaking point. She’s got writer’s block, her friends ask a lot without giving much, her psychologist is useless, and her demanding publishing job leaves little time for self care. She seeks solace in the community around her, yet, while her friends provide support and comfort, she is often left feeling empty, unable to express an underlying depression that leaves her immobilized and stifles any attempts at completing her poetry collection. In This is How I Disappear, Mirion M...

What if some of your cells were not your own? What if they once belonged to someone else?Part mind-bending medical mystery—part cutting-edge science—Hidden Guests uncovers the astonishing phenomenon of microchimerism: the presence of foreign cells inside our own bodies. The incredible story of how those cells got there—and what they do once they arrive—might change everything we know about the immune system, lineage, and identity.W...