Health

Bike commuters influence friends and colleagues to do the same, behavioural study finds

But safety is still a big obstacle to bike commuting.

New UK health chief says cities should be restructured for active travel

Scottish rider attacked twice in three days

Crediting cycling with his health and longevity, Neil Sinclair switches to an exercise bike.

Science writer Ben Goldacre & statistician David Spiegelhalter cast critical eye over helmet studies. Conclusion? It's complicated...