Any "sole cause" claim about health/diet stuff seems highly suspect at best, I can scarcely imagine anything such a claim could be true for. You can't even sa

Any "sole cause" claim about health/diet stuff seems highly suspect at best, I can scarcely imagine anything such a claim could be true for. You can't even say that cigarettes are the sole cause of lung cancer; the link between the two is incontrovertible but there are still many other ways to get lung cancer (asbestos, radon, bad luck, etc..)