Groundbreaking research proves that effort, not the size of the dumbbell, is the primary driver of muscle growth and strength ...

Whether people lifted heavier or lighter weights they got results, the research showed.

If you want to lift your grandkids, get up the stairs, haul groceries, and conquer all of life’s adventures with confidence as you age, here’s the science-backed secret: lift weights. Yep, those ...

When you lift heavy over time, you build reserves of strength. You accrue power for now, and also for later. It requires ...