A new study finds the dairy fats found in milk, yogurt and cheese may help protect against Type 2 diabetes. "For a long time we've had this notion that saturated fat [the kind found in dairy products] is always bad for you," UVA pediatrician Mark DeBoer said. "It appears that children who have a higher intake of whole milk or 2 percent milk gain less weight over time" compared with kids who consume skim or nonfat dairy products, explains DeBoer.