https://www.nytimes.com/2014/05/05/science/young-blood-may-hold-key-to-reversing-aging.html?fbclid=IwAR3xB2Xp4V7QKjQ0Xu6kEiS8_Tl51_XHrreMC0RUYTX2B6MxHdkvzn92dUg Young Blood May Hold Key to Reversing Aging After scientists found that blood from young mice rejuvenated the muscles and brains of old mice, experts said the research could lead to treatments for illnesses like Alzheimer’s disease.