Plant-Based Meats and Puberty, Obesity, and Fracture Risk
What are the effects of plant-based meats on premature puberty, childhood obesity, and hip fracture risk?
As noted in an editorial in the Journal of the American Medical Association on plant-based meats, if you look only at the nutrition facts information for a conventional burger versus a Beyond Meat or Impossible Burger, as seen here and at 0:20 in my video Plant-Based Meat Substitutes Put to the Test, you wouldn’t necessarily be able to predict the health consequences without further studies.
We’ve had plant-based meats in the marketplace for more than a century, though, as you can see in this ad for “good eating” Protose, below and at 0:35 in my video. Dr. John Harvey Kellogg filed a patent for Protose, what he called “the modern vegetable meat,” in 1899.
Of course, products like tempeh and tofu have been eaten throughout Asia for centuries, but I think of those as separate foods in their own right, as opposed to products intentionally designed to mimic the taste and texture of meat. With such a rich history, harkening back to the days of pass-the-Proteena—another great ad here and at 1:06 in my video—you’d think there’d be some studies of consumers—and indeed, there are.
Researchers have found, for example, that girls who eat meat may start their periods six months earlier than girls who don’t. Is the earlier menstruation because the meat-eating girls were eating a lot of protein and fat? No, because vegetarian girls who instead ate meat analogs, like veggie burgers and veggie dogs, were able to delay menstruation by nine months. Of course, it’s hard to tease out how much of that is just from avoiding meat, but compared with girls who ate meat a few times a week, those who ate meat a few times a day had a significantly earlier age of first menstruation. This may help explain why childhood meat consumption is linked to breast cancer later in life, since the earlier you start your period, the higher your lifetime risk.
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