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If you can sit on the floor, extend your legs straight and still manage to touch your toes, you’re in good shape.

A new study from Harvard Health, confirms the test is a measure of your cardiac arteries' flexibility.

The more flexible they are, the less chance you'll have a heart attack.

If you do this, but still worry about your heart health, here are three simple things you can do to stay healthier longer.

• Become a vegetarian for a day

If you cut meat out of your diet once a week, you can trim your saturated fat intake by 15 percent.
• Go nuts over nuts

In just four weeks, a daily serving of 10 walnuts can reduce LDL, or bad cholesterol, by 9.3 percent without adding any pounds.
• Put on your favorite CD

One study found women who spend a half hour listening to songs they found joyful increased their blood vessel diameter 26 percent, about the same benefit of aerobic exercise.

Don't give up exercising. Eighty percent of heart attacks happen to women who don't exercise.

By lowering your LDL by just 60 milligrams, your risk of a heart attack declines 50 percent after two years.