Have a sweet tooth? There's much debate over whether a sweet tooth comes from nature or nurture. Turns out there may be more nature--or inherent programming in our bodies--than once believed. That's the "bad" news if you have a constant craving for sweets (and don't want to indulge in them). The good news is that you have more control over this than you think. Click on the candy photo below to read an article from the American Council on Exercise regarding this new research and how to calm your cravings.