A new 20-year Brandeis study shows that expecting to age well predicts fewer physical limitations and a longer life — because a positive outlook drives healthier habits.

Most brain‑health advice says, “Sit less, move more.” That’s still true—but a major study shows something else is just as important: what you do while you’re sitting. Researchers found that passive sitting, like zoning out in front of the TV, is linked to a higher risk of dementia—but mentally active sitting, like reading or using a computer, is linked to a lower risk.

As the world’s top authority on sports medicine, the American College of Sports Medicine (ACSM) sets the global standard for fitness and clinical exercise advice. They have recently published new strength training guidelines that offer clear, proven advice for healthy adults. Updated after 17 years, these guidelines simplify workouts to build muscle and mobility for better brain and body health.