"I don't see many adults on a bicycle" - Is it time to despair for the human race? Reflections on the gap between the numbers of bicycles owned and the numbers of cyclists

Objective: This commentary offers a discussion of the paper by Bauman et al. (2011) published in Preventive Medicine. Methods: We discuss the explanations for the findings of the manuscript by Bauman et al. (2011). Results: We argue that there are social, commercial and environmental drivers of cycl...