Summary: A recently announced parabiosis trial in humans – the practice of transfusing young blood to old – may have profound implications for treating the chronic diseases of old age, including metabolic changes, frailty, Alzheimer’s, Parkinson’s, and other forms of dementia. However, some geroscientists say that variations of the procedure could cause severe side effects. [This article first appeared on the website … Continue reading Can the blood of teens rejuvenate our bodies? This new trial aims to find out.