Fredrick Peters

By Fredrick Peters, Ph.D., ACSM-EP We have access to more health data than ever before. Your smartwatch can estimate your stress, sleep, heart rate variability, calories burned, recovery, “body battery,” and even your VO₂max. Your bathroom scale can estimate body fat, muscle mass, water weight, visceral fat, and metabolic age. But more data doesn’t necessarily mean better health. As an exercise physiologist, I’m much more interested in a relatively small number of measurements that tell me...

For decades, the nutritional advice surrounding dairy has been remarkably consistent: if you're going to consume milk, yogurt, cheese, or other dairy products, choose the low-fat or fat-free version. The rationale seems straightforward... Full-fat dairy contains more saturated fat. Saturated fat can increase LDL cholesterol. Elevated LDL-containing lipoproteins play a causal role in atherosclerotic cardiovascular disease. Therefore, reducing the saturated fat in dairy should reduce...

Introduction: A Paradigm Shift in Weight Loss The introduction of glucagon-like peptide-1 (GLP-1) receptor agonists, including semaglutide and tirzepatide, has fundamentally altered the treatment landscape for obesity. Clinical trials consistently demonstrate substantial and sustained reductions in body weight, often exceeding 10–20% of initial body mass (1,2). These outcomes represent a significant advancement in addressing one of the most persistent challenges in weight management:...