Jim Fixx Jim Fixx James Fuller "Jim" Fixx (April 23, 1932 – July 20, 1984) was an American who wrote the 1977 best-selling book "The Complete Book of Running". He is credited with helping start America's fitness revolution, popularizing the sport of running and demonstrating the health benefits of regular jogging. He died of a heart attack while jogging at 52 years of age. His genetic predisposition for heart problems and other previous lifestyle factors may have caused his heart attack. Born in New York City, Fixx was a graduate of Trinity School in New York and Oberlin College in Ohio. His
Jogging the gym. Jogging also prevents muscle and bone damage that often occurs with age, improves heart performance and blood circulation and assists in preserving a balanced weight gain. A Danish study released in 2015 reported that "light" and "moderate" jogging were associated with reduced mortality compared to both non-jogging and "strenuous" jogging. The optimal amount per week was 1 to 2.4 hours, the optimal frequency was less than or equal to 3 times per week and the optimal speed was "slow" or "average". Jogging Jogging is a form of trotting or running at a slow or leisurely pace. The main