Getting fit is a massive industry which claims to have the latest science behind it. But as more people are taking their advice, the world's obesity epidemic is spreading. How is that possible?

If you're exercising in searing heat and soaking humidity, that weird feeling isn't toxins leaving your body, it's the beginning of a heat stroke.

Today's white collar jobs could not have an unhealthier culture and worse setup for our joints and midsections. And they're shaving years off our lives...