2 Years of Exercise Reversed 20 Years of Aging in the Heart: Longest-Ever Randomized Trial on Exercise

it effectively turned sedentary 55-year-olds into 30-year-olds when viewed through heart activity monitoring equipment.

Being that heart disease is the leading cause of death for most people in the United States, and cardiac strength is inversely correlated with heart disease, it’s probably one of the most significant studies on exercise ever carried out.