10/21/2026
In the early 1900s, a British physician ran an experiment that should be far more famous than it is.
He fed one group of rats a diet modeled on simple, whole, minimally processed food. He fed another group a diet modeled on the processed diets common in industrial Britain.
The first group thrived — calm, healthy, strong. The second group didn’t just get sick. They became aggressive toward each other.
His name was Robert McCarrison. Decades before “nutrition science” was a field, he proved diet alone could be the difference between a calm, thriving body and a sick, aggressive one.
Organ health isn’t separate from mood or resilience. What you eat builds your nervous system’s baseline.
If nobody has ever shown you how directly your diet is shaping more than just your waistline —
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