When people decide to “get healthy” and “lose weight” one of the first things they often do is go and join a gym.

Of course, for anyone currently not getting enough exercise, taking up any new regime will have a beneficial effect alongside a healthy diet.

Cycling Lanes Save the UK £1million a Day

However, there are other (more fun) ways of getting fit – and we’ve heard some nasty rumours about what’s hiding in those mirrored studios…