McDougall promotes a vegan fad diet. Not sure why I would trust his literature when there's plenty of contrary scientific evidence today. Also, it's been 16 years since that article was written. Scientific consensus has advanced considerably.
Just because humans survive on very little protein doesn't mean there are not negative implications, notably on muscle mass and development.
Just because humans survive on very little protein doesn't mean there are not negative implications, notably on muscle mass and development.