Hmm the native Americans were hyper skilled in natural medicines though I think health problems really started with farming wild food is ultimately way more nutritious .Fruit has been bred to have obscene amounts off sugar small berries have not been messed about with as much thankfully. Domestic strawberries don't count there huge compared to wild ones.
Ah, the myth of the noble savage.....they were/are people like people right across the world. They used the resources of their environment or trade routes, and they died of diseases just like everyone else.
Natural Man
archive.nytimes.com