What are the 4 food groups 1970 and how have they evolved?
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4 min read
The USDA's 'Basic Four' food guide, introduced in 1956, remained the standard for American nutrition throughout the 1970s, featuring milk, meat, fruits and vegetables, and grain products. These guidelines, which defined what are the 4 food groups 1970, aimed to simplify earlier, more complex dietary advice.
