20 Foods That Keep You Young

Yes, even dudes are at risk for osteoporosis, and when it comes to calcium, hard cheese is a champ, providing more calcium than softer varieties. Case in point: one and a half ounces of Parmesan has 500mg. These hard varieties also possess probiotic qualities to help your digestive system move smoothly, so...start grating. (It tastes great over salads and other vitamin-packed vegetable sides.)