Milk and Bones

Milk Builds Good Bones
Science News reports research by Jillian Cornish of U. Auckland with the unexpected finding that lactoferrin, a protein found in cow’s milk (and breast milk as well, most intensely in colostrom), binds to cell surfaces of osteoblasts. Osteoblasts are the cells that build new bone. Lactoferrin not only stimulates bone growth, it interferes with osteoclasts (cells that reabsorb bone into the bloodstream) and partially blocks apoptosis (cell self-destruction) in osteoblasts.
If you’re female, especially a young female, a female from a family with a history of osteoporosis, or a female with osteoporosis, you should go have a milkshake right now. A malt is even better. If you’re nursing, or a pregnant, or either of those and a family history of osteoporosis, you should jet over to McConnell’s for a malt. Or two.
Original research published in Endocrinology. (7/20)

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