 If you want to live longer, walking is great, running is great, but a new study from Prevention Magazine, this is a study with 40,000 adults ages 20 through 90 over three decades, they discovered that swimmers, regardless of age, were about 50% less likely to die during this study, meaning swimming is the best exercise. Progressive Insurance, get renter's insurance to protect things that make your place a home, including coverage for theft or damage. Visit progressive.com.