The China Study argues for a whole food, plant-based diet to combat health issues like cancer and cardiovascular disease, but its scientific claims are not consistently supported. While there is evidence that such a diet can reduce cardiovascular disease risk, the book's claims about animal foods causing cancer are not well-supported.
The China Study by T. Colin Campbell and Thomas Campbell II promotes a low-protein, very-low-fat, very-high-carbohydrate diet based entirely on unrefined plant foods to address health problems like cancer and coronary heart disease. The book's central claims are not consistently scientifically accurate. While there is fairly compelling evidence that a whole food, plant-based diet can reduce the risk of cardiovascular disease, the claim that animal foods are a major cause of cancer is not well-supported. The book's reliance on a large observational study in China does not hold up under scrutiny, and important evidence is omitted. However, the diet may still be worth considering for those at high risk of cardiovascular disease, though it may also increase the risk of nutrient deficiencies if not carefully composed.
Quick quotes
The claim that a whole food plant-based diet reduces the risk of cardiovascular disease is fairly well supported.
The claim that animal foods play a key role in cardiovascular disease and cancer is not very well supported.
The diet may also increase the risk of nutrient deficiencies unless carefully composed.