Nutrition isn't a solved problem and it won't be for many decades.
"Problem" can refer to something you need to think to solve or to something you also need to do something to solve. General effects of different diets in health is known because before gobalization, every country had its own.
The real problem is how to deal with food production for billions, with different cultures and with huge companies using their money to manipulate science.
"Problem" can refer to something you need to think to solve or to something you also need to do something to solve. General effects of different diets in health is known because before gobalization, every country had its own.
The real problem is how to deal with food production for billions, with different cultures and with huge companies using their money to manipulate science.