Strong Bones and Teeth: Perhaps the most renowned benefit of drinking milk is to maintain your bone health. Entire advertising campaigns have been dedicated to the concept that milk builds strong bones, and it is quite true. The high content of calcium and other essential minerals for bone density, in addition to complete proteins, are all available in cow milk, which makes it an important dietary consideration for not only your bones, but also your teeth! As you age, bone mineral density increases, and milk can be a simple solution to keep up your strength.