Health Update Breakthroughs in modern medicine are enabling people worldwide to live longer lives. However, with longer lifespans comes a gradual decline in physical capabilities. As people age, they often notice reductions in strength, balance, and mobility, but how these changes progress hasn’t been fully understood. To investigate this, researchers backed by the NIH evaluated the physical performance of 40 healthy adults. Half were between 50 and 64 years old, while the other half were 65 or