Why don't most diets work? Well, nutritionist Mark Macdonald says they actually do, but there's a bigger problem. Find out what that is and what change you need to make in order to help you stick with those diets and reach your weight goals. He says diets can work, but this one thing is what needs to change!
In order to keep our content free, some of the links may be affiliate links to trusted websites. Shopping through them will bring a small commission to iHealthTube.com. Read our full affiliate disclaimer for more info.