We all know the saying you can't outrun a bad diet but does that mean it is the most important thing when it comes to losing weight and being healthy?

This week we look at the pros and cons of each and give our thoughts on which are the most important and why. The answer might surprises you (or not because it is always going to be about balance.)

But we do look at the reasons why each of these are important and how a thorough understanding of them will enable you to lose weight quicker and keep it off!