Humans need sunshine. It’s not just a matter of aesthetics or a personality quirk like being a sun-worshipper. In Southern California and the rest of the Southwest there’s plenty of sunshine all year round. Everywhere else in the United States, though, direct sunlight is much harder to find.

Humans also need exercise. And, as time is a precious commodity for all of us, it makes sense during winter to exercise and get your daily dose of sunlight at the same time.

Doing aerobic exercise outdoors perfectly fulfills our requirements. Walking, running, and cycling get us out into the fresh air and sunshine. If you’re used to riding a stationary bike or walking or running on a treadmill at home or at the gym, winter is the time to take it outside.

Your bones will benefit greatly by increased contact with direct sunlight. And, interestingly, your entire body will benefit from your new outdoors focus. Machines such as treadmills and stationary bikes are great – they make it easy to exercise. But there’s a big difference in terms of overall benefit when you’re actually riding a real bike up a real hill or running on a real surface that changes configuration on almost every step.