Aging and the Gut: Nutrient Absorption and Microbiota

Introduction “You are what you eat” is only partly true—more accurately, you are what you absorb. As we age, the gut changes in structure and function, influencing how well we extract nutrients

Mitochondria: The Powerhouses of Youth and Aging

Introduction Every cell in the body runs on energy, and most of that energy comes from mitochondria—the tiny organelles often called the “powerhouses of the cell.” By producing adenosine triphosphate (ATP), mitochondria

Strength Training as Medicine: Preventing Muscle and Bone Loss

Introduction While many people think of exercise as a lifestyle choice, research increasingly frames strength training as medicine—a powerful intervention against aging. For older adults, resistance exercise is not only safe but