IGF prevents frailty
by increasing skeletal muscle mass (sarcopenia), sex drive (infertility), brain thymus (immunosenescence, centenarians maintain a strong immune system), skeletal bone mineralization and marrow stem cell formation (osteoporosis and immune system
by bone marrow immune cells working in tandem with thymus and lymphs nodes), I understand that diabetes, an
accelerated aging phenotype, is
insulin IGF and blood glucose driven.