Key points from article :
People who played racquet sports had an almost 50 percent lower risk of dying from any cause during the 15-year study.
Swimming and aerobics each were associated with a nearly 30 percent lower risk of premature death from any cause.
No significant associations were found for participation in football and running.
Study included 80,000 adults with average age of 52 in England and Scotland.
The study was published in the British Journal of Sports Medicine.
