Want to live longer? Research reveals the top cardiac risk factor (and it’s not smoking)

More important, making a small improvement can reduce your risk of premature death by 13 percent.

[Illustration: Getty Images]

Want to predict how long you’ll live? Knowing is impossible, but there are simple research-backed tests—tests you can do for free, at home—that provide indications.

You can do the sit-rise test.

You can try to stand on one leg for 10 seconds.

You can see how many pushups you can do.

You can hang from a bar (or squeeze a tennis ball).

Performing........

© Fast Company