In general, the exercise guidelines set out by the American College of Sports Medicine give you a place to start when figuring out how often to workout. 1  For cardio: Depending on your goal, guidelines recommend moderate exercise five or more days a week or intense cardio three days a week to improve your health.
This Day In History: 04/04/1968 - Dr. King is Assassinated. Many historical events occurred on April 4th, and Russ Mitchell recaps them in this video clip from This Day In History. President William Henry Harrison became the first US President to die while in office when his cold turned into pneumonia.
Martin Luther King Jr., American clergyman and civil rights leader, was fatally shot at the Lorraine Motel in Memphis, Tennessee, on April 4, 1968. He was rushed to St. Joseph's Hospital, where he was pronounced dead at 7:05 p.m. CST. He was a prominent leader of the Civil Rights Movement and Nobel Peace Prize laureate who was known for his use of nonviolence and civil disobedience. James Earl Ray, a fugitive from the Missouri State Penitentiary, was arrested on June 8, 1968, in London at Heathr