There are a few exercise myths you need to be aware of

If you're trying to diet or take up a new type of sport or exercise, there's often a lot of information and misinformation to sift through in order to find the real answer.

From being too old to exercise to the idea that if you've been fit once you'll be fit forever, many people are getting it wrong when it comes to personal health and fitness.

From the real reason your body sweats to the truth about burning off calories, you'll find many of the most popular myths debunked in the video above.