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Study finds bus and train commuters healthier than people who ride bikes to work

Bike riders were more likely to be overweight and to have diabetes or high blood pressure

A study from Japan suggests that people who commute by public transport may be healthier than those who ride a bike to work, being less likely to be overweight or to have diabetes or high blood pressure.

Researchers at Osaka’s Moriguchi City Health Examination Centre examined the commuting habits of almost 6,000 people.

They found that those who commute by train or bus were 44 per cent less likely to be obese than car drivers. Compared to motorists, public transport users were 27 per cent less likely to have high blood pressure and 34 per cent less likely to have diabetes.

The surprising finding however was that bus and train users were also in better health than those who commute by pedal power, with lower incidence of being overweight or having diabetes or high blood pressure.

One potential explanation, according to the researchers, is that because bus or train travel isn’t typically door to door, people who commute using those modes may get more exercise than cyclists – or at least those who ride short distances to work – since they have to walk to or from the station or bus stop.

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The study’s lead author, Dr Hisako Tsuji, said: "If it takes longer than 20 minutes one-way to commute by walking or cycling, many people seem to take public transportation or a car in urban areas of Japan.

"People should consider taking public transportation instead of a car, as a part of daily, regular exercise. It may be useful for healthcare providers to ask patients about how they commute."

According to the research, men were more likely to drive a car to work, while women were more likely to use public transport or to walk or cycle.

The study’s authors however were unable to determine whether taking public transport in itself had a positive impact on health, or whether it was the case that people using buses or trains were healthier in the first place.

They also noted that with lower levels of obesity in Japan, the results if the study might bot be directly applicable to western countries.

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Earlier this year, London-based cardiologist Dr Aseem Malhotra, in an editorial published in the British Journal of Sports Medicine, said it was a “myth” that exercise could help obese people lose weight.

Instead, he blamed poor diet rather than lack of exercise as being behind the rise in prevalence of obesity, and said people needing to lose weight should be encouraged to eat more healthily.

– Value of exercise in fighting obesity a "myth" claim experts

However, Professor Mark Baker from the National Institute of Health and Care Excellence, which sets guidelines for health in England and Wales, said it was "idiotic" to downplay the value of exercise.



Simon joined as news editor in 2009 and is now the site’s community editor, acting as a link between the team producing the content and our readers. A law and languages graduate, published translator and former retail analyst, he has reported on issues as diverse as cycling-related court cases, anti-doping investigations, the latest developments in the bike industry and the sport’s biggest races. Now back in London full-time after 15 years living in Oxford and Cambridge, he loves cycling along the Thames but misses having his former riding buddy, Elodie the miniature schnauzer, in the basket in front of him.

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