In praise of the daily walk

A brisk half hour walk a day will keep you healthy – and sane – say researchers. Eight people reveal what walking means to them

Homing in on fitness

Can the new generation of video games give you a real workout in your living room, asks Keith Stuart

Yoga’s naked commercialism

Stewart J Lawrence: The nude trend is stirring debate about how far yoga, now a multibillion-dollar industry, has travelled from its spiritual roots