Studies show that bike commuting is one of the best ways to stay healthy
It’s always a pleasure when scientific studies confirm your own long-held opinions, especially when what you think flies in the face of all conventional wisdom.
For instance, who knew that chocolate éclairs and triple fudge caramel brownies actually contain fewer calories than a 12-ounce glass of skim milk? Or that every $1,000 you spend on lavish vacations before the age of 65 will, over the long run, provide you with more retirement income than if you’d stashed that same $1,000 in a savings account?
Well, to be honest, I made up the fact about the éclairs. And the one about vacations, too.
But here’s bona fide scholarly research that excites me in the same way: Biking for transportation appears more helpful in losing weight and promoting health than working out at the gym.
This means I can spend less time wearing a grimace as I endure mind-numbing exercise routines at the Y — and more time wearing a smile as I bike to work, shopping, and social events. Just what I always thought.
But hey, don’t take my word for it. According to Australian epidemiologist Takemi Sugiyama, lead author of a recent study in the American Journal of Preventive Medicine, “Commuting is a relevant health behavior even for those who are sufficiently active in their leisure time.”
Analyzing the research, The Health Behavior News Service notes, “It may be more realistic to accumulate physical activity through active transport than adding exercise to weekly leisure-time routines.”
The four-year study of 822 adults found that found that people commuting to work by car gained more weight on average, even if they engaged in regular exercise, than people who did not commute by car. The authors of the study recommend creating more opportunities for everyone to walk or bike to work.
An earlier study by researchers at the University of Sydney School of Public Health published in Obesity Reviews (the journal of the International Association for the Study of Obesity) supports the thesis that leisure-time exercise alone is not enough to prevent obesity. Sixty to 90 minutes of daily physical activity is recommended to curb obesity, which is more time than most people can fit into their busy schedules. That’s why the study’s authors recommend “active transport” like biking and walking for commuting other common trips.
Beyond fighting fat, biking and walking for transportation also boosts overall health. A 2007 paper in the European Journal of Epidemiology concludes, “Commuting physical activity, independent of leisure time physical activity, was associated with a healthier level of most of the cardiovascular risk factors.”
The key advantage of traveling by bike over working out at a fitness center is that most people find it easier to do. Instead of vying for scarce free time with many other fun and important things, exercise becomes something we do naturally as part of daily routine. As a study by Portland State University professor Jennifer Dill in the Journal of Public Health Policy shows, 60 percent of Portland cyclists ride for at least 150 minutes per week (the recommended exercise minimum for adults) and that “nearly all the bicycling was for utilitarian purposes, not exercise.”
She adds “a disproportionate share of the bicycling occurred on streets with bicycle lanes, separate paths, or bicycle boulevards” — confirming the importance of bike infrastructure improvements to public health.
In my opinion, all this research also suggests that if I bike a lot for everyday transportation I can sometimes ditch the skim milk in favor of the brownies, and may save enough on auto expenses to both take a cool vacation and fund my retirement account.
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