glenn forger
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http://mosaicscience.com/story/city-cycling-health-versus-hazard
Ledgaard Holm, a doctoral student, has modelled the health impacts of increased cycling. Accounting for physical activity, exposure to accidents and air pollution, she and colleagues found that the overall burden of disease – including heart disease, stroke, type II diabetes, breast cancer, colon cancer, cardiopulmonary disease and lung cancer – was reduced in people who cycled. The positive health effects of increased cycling were more than a third larger than the potential loss of health from bicycle accidents and air pollution.
Other studies investigating the health impacts of cycling have found similar positive benefits, although the magnitude varies. In a different study based in Copenhagen, researchers analysed data from over 13,000 women and 17,000 men to explore the impact of physical activity on mortality. Even after adjusting for other factors, such as physical activity in leisure time, they found that people who did not cycle to work experienced a 39 per cent higher mortality rate than those who did. In other words, cycling improved longevity.
Ledgaard Holm, a doctoral student, has modelled the health impacts of increased cycling. Accounting for physical activity, exposure to accidents and air pollution, she and colleagues found that the overall burden of disease – including heart disease, stroke, type II diabetes, breast cancer, colon cancer, cardiopulmonary disease and lung cancer – was reduced in people who cycled. The positive health effects of increased cycling were more than a third larger than the potential loss of health from bicycle accidents and air pollution.
Other studies investigating the health impacts of cycling have found similar positive benefits, although the magnitude varies. In a different study based in Copenhagen, researchers analysed data from over 13,000 women and 17,000 men to explore the impact of physical activity on mortality. Even after adjusting for other factors, such as physical activity in leisure time, they found that people who did not cycle to work experienced a 39 per cent higher mortality rate than those who did. In other words, cycling improved longevity.