And importantly, this wasn't the only study that's looked at this. Other studies have come to similar conclusions. Dr. Willett says drinking a lot of milk may even be harmful. He says the saturated fat in milk can clog your arteries and some studies show milk may increase the risk of certain cancers. He also says because milk is high in protein it may in fact make bones weaker, not stronger.
Milk has nine essential nutrients for active bodies.
A human bone is about 70 percent calcium by weight. Dr. Bess Dawson-Hughes, an expert on calcium, says drinking milk is one of the easiest ways to get enough calcium. But despite such advice, steering Americans toward milk seems to be getting harder and harder. Consumption has dropped steadily over the last three decades. So it's likely the industry will keep milking those ads for all they're worth.