An observational study involving 8,677 participants has found that leisure time sports activities can have a considerable effect on life expectancy. Among the top sports activities with the highest longevity gain are tennis (9.7 years) and badminton (6.2 years). Along with these findings, other research has found that social isolation is among the strongest predictors of lower life expectancy, increasing the risks of hypertension and cardiovascular disease. Find out what other sports you can practice to extend the healthy years of your life.