By GENETIC ENGINEERING NEWS In a new study, young and old mice were surgically joined such that they shared blood circulation for three months. According to the results, the old mice did not significantly benefit in terms of lifespan. On the other hand, the young mice that were exposed to blood from old animals had significantly decreased lifespan compared to mice that shared blood with other … Continue reading Rejuvenation research: Can infusions of “young” blood increase lifespan?