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The Secret
The Dutch ride bicycles as a form of everyday transportation. Almost one-third of all trips are made on two wheels, and each citizen pedals an average of 1.5 miles per day. A 2010 statistical review of Dutch drivers found that they'd live up to 14 months longer by switching to cycling for short trips on a daily basis, thanks to the extra exercise.

The Prescription
Cycle to work a few times a week, run errands on your bike, or just go for a joy ride. We know that 30 minutes of this kind of moderate physical activity at least three times a week can slash your risk of heart disease, diabetes, and some cancers.

Keep Reading: An 8-step bicycling refresher course