ROCHESTER, Minn. — Mayo Clinic researchers say senolytic drugs can boost a key protein in the body that may protect older people against aspects of aging and a range of diseases. Their findings, which are published in eBioMedicine demonstrate this in mice and human studies. Senolytics developed at Mayo Clinic and given once clear the bloodstream of senescent or "zombie" cells. These cells contribute to multiple diseases and negative aspects of aging. This study shows…