The Transplant Drug That Makes Your Skin Act 20 Years Younger

It was invented to stop organ rejection. Then scientists discovered it extends lifespan in mice by up to 26%. Now dermatologists are applying it to aging skin in cream form — and the results are documented in randomized clinical trials. This week: the rapamycin revolution nobody is talking about yet, the new science of "skinspan," why longevity medicine and plastic surgery are fully merging, and what a $30 fermented wheat supplement has to do with your collagen. The future of not aging is weirder and more exciting than you think.