Age-related muscle decline is a major threat because muscle strength not only allows you to participate in life, but it’s also essential for your metabolism, circulation and cognition. STORY AT-A-GLANCE Sarcopenia — age-related muscle loss — threatens a healthy lifespan. Skeletal muscle not only manages physical activity, but also plays a major role in metabolism, circulation and cognition Skeletal muscle acts as endocrine organ secreting myokines and transcription factors into the bloodstream, thereby regulating the function of other organs. It also has immune regulatory properties The loss of muscle mass with advancing age is thought to be a primary driver of insulin resistance in older adults. Declining muscle strength and reduced physical activity also contribute to metabolic dysfunction Four key lifestyle strategies that have allowed me to get stronger with age are time-restricted eating in combination with a cyclical ketogenic diet, exercising while fasting and adding blood flow restriction (BFR) …