A study cautioned against a notion that transfusions of 'young' blood could bring anti-aging benefits

Reuters/Chor Sokunthea The author of a study published Tuesday cautioned against the idea that transfusions of “young” blood can reverse the aging process, a notion that has captured the public imagination and motivated startups. In the new research, published in Nature Communications, scientists replaced half of the blood in old mice with blood from young animals, and did the opposite swap in young mice, giving them old blood. They found that the younger mice experienced symptoms associated...