Hearts Get 'Younger,' Even At Middle Age, With Exercise: “We took these 50-year-old hearts and turned the clock back to 30- or 35-year-old hearts”

Hearts Get 'Younger,' Even At Middle Age, With Exercise: “We took these 50-year-old hearts and turned the clock back to 30- or 35-year-old hearts”: http://ift.tt/2HqlQqy Read more... http://ift.tt/2DlpJdO