The more animal protein consumed, the higher the blood cholesterol, and the higher the cancer rates. This wasn’t a tipping point; it was a sliding scale.
He acknowledges ecological study limitations but argues that the consistency of the findings across multiple levels of evidence (rat studies, human biomarkers, clinical trials) strengthens the case. He also notes that the Chinese data were adjusted for some confounders (e.g., income, education). the china study
: Researchers studied 6,500 adults across 65 Chinese counties, analyzing their diets, lifestyles, and blood samples. The more animal protein consumed, the higher the
The book emerged from Campbell’s personal transformation: from a farm boy who believed animal products were essential to a leading advocate of plant-based nutrition. The more animal protein consumed
Vitamin supplements are not a panacea for good health.