Hardcore jogging almost as bad as standing still

A light jog around the block is better than a strenuous, long run when it comes to longevity, say Danish researchers.

Their study of more than 5000 adults shows that going for an easy run several times a week is good for good cardiovascular health.

Conversely, serious hard-core  joggers have a long-term mortality rate similar to that of sedentary people.

Jogging from one to 2.4 hours per week is