A moderate reduction in the meat supply might have some benefit, During WWII there were apparently some improvements in public health due to the consumption of lesser amounts of fat. This source makes brief mention of this:
u-s-history.com/pages/h1674.html
I started elementary school during WWII, and as a picky eater, I did not always relish what was served, I never went hungry.
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Geezer in Chief