Can 2 years of exercise reverse heart aging by 20 years in 50 year olds?
According to a landmark 2018 study published in the journal *Circulation*, a specific two-year, high-intensity exercise regimen could reverse significant heart aging in previously sedentary middle-aged adults, effectively turning back the clock by up to 20 years and answering the question: **Can 2 years of exercise reverse heart aging by 20 years in 50 year olds?**