Life extension,Senescence,Calorie restriction,Cryonics,Anti-aging,Strategies for Engineered Negligible Senescence,De Grey Technology Review debate,Suspended animation,Mind uploading,Advanced glycation end product,Bioethics,American Academy of Anti-Aging Medicine,Maximum life span,Human chorionic gonadotropin,Gerontology,American Federation for Aging Research,Aerobic exercise,Alcor Life Extension Foundation,Life expectancy