Better option
 

Reaching for skim or 2% milk is a natural for most people*when they hit the dairy aisle. Going full-fat might be the better option for staying slim, though. One 2013 study found men who consumed a high level of full-fat dairy products were less likely to develop obesity over a 12-year period. The slimmed-down varieties might even backfire.*Eat This, Not That! explained some of the acids in whole milk, which get removed from low-fat versions, can boost your body’s ability to burn fat.