what probably group learned by trail and error to distinguish those things that would enhance their health...?

Question

... what probably group learned by trail and error to distinguish those things that would enhance their health from those that would impair their health?

is it the greek, the romans, europeans, or early humans...

Answer 1

Out of that group, the Romans had the best surgical techniques. They were not surpassed until the early 20th century. They had no idea about medicines, however.

Answer 2

The Muslims.

Answer 3

Howework question?

By the looks of todays health problems it would be NO to all of the above.