Do the health benefits of cycling outweigh the risks?

  • Soort:Onderzoeksrapporten
  • Auteur:Jeroen de Hartog, Hanna Boogaard, Hans Nijland, Gerard Hoek
  • Uitgever:Institute for Risk Assessment Sciences (IRAS)
  • Datum:30-06-2010

Even though there are some risks to cycling, it is more beneficial for your health to cycle instead of travelling by car. This is the conclusion of the IRAS (Institute for Risk Assessment Sciences) from the University of Utrecht and the Netherlands Environmental Assessment Agency.


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  • Abstract

    Objective Although from a societal point of view a modal shift from car to bicycle may have beneficial health effects due to decreased air pollution emissions, decreased greenhouse gas emissions and increased levels of physical activity, for the shifting individual adverse health effects such as higher exposure to air pollution and risk of a traffic accident may prevail. This paper describes whether the health benefits from the increased physical activity of a modal shift for urban commutes outweigh the health risks.

    Data sources and extractionWe have summarized the literature for air pollution, traffic accidents and physical activity using systematic reviews supplemented with recent key studies. Data synthesis
    We quantified the impact on all-cause mortality when 500,000 people would make a transition from car to bicycle for short trips on a daily basis in the Netherlands. We have expressed mortality impacts in life years gained or lost making use of life table calculations.

    For the individuals who shift from car to bicycle, we estimated that beneficial effects of increased physical activity are substantially larger (3 – 14 months gained) than the potential mortality effect of increased inhaled air pollution doses (0.8 – 40 days lost) and the increase in traffic accidents (5 – 9 days lost). Societal benefits are even larger due to a modest reduction in air pollution and greenhouse gas emissions and traffic accidents.

    ConclusionsOn average, the estimated health benefits of cycling were substantially larger than the risks relative to car driving for individuals shifting mode of transport.


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Do Te Health Benefts Of Cycling Outweigh The Risks?

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