TV adventurer Bear Grylls has built a global reputation through his often unconventional and sometimes extreme survival feats ...

If you are well hydrated and healthy, your urine will likely appear clear to straw-coloured, meaning it is mostly water (but ...

TV star Ben Grylls says he does it for survival – and teaches his reality show contestants to do the same. Mexican boxer Juan Manuel Márquez practised this therapy to train for his 2009 fight with ...