The Claim

Animal source foods provide critical nutrients that are necessary for supporting brain function, as indicated by their involvement in human evolutionary development.

Source: A brief history of meat in the human diet and current health implications.

What the research says

Roughly balanced

Support and challenge are close. The picture may shift as more studies come in.

Supports
1score
Challenges
0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Cause and effect
1 study reviewed
In plain English

Eating meat, eggs, and dairy gave our ancestors the nutrients they needed to grow smarter brains over thousands of years — so these foods might still help our brains work well today.

See the scientific wording

Animal source foods supply critical nutrients that support brain function, as suggested by their role in human evolutionary development.

What the research says

1 study

  1. Study: A brief history of meat in the human diet and current health implications.

    Long ago, our ancestors started eating meat and other animal foods, and that helped their brains grow bigger and work better—this study shows that same thing happened over millions of years.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.