Humans in Europe were taller in hunter-gatherers times than they were in any period of civilised times, up until fairly recently.
Hunter gatherers likely had hits to their health in the form of periods of food scarcity, sanitation and all manner of issue in childhood. Without those they would have been taller.
My guess is that the healthiest diet is one that resembles hunter-gatherers', which I believe would be high in animal products along with berries. This is for Europeans. The tallest people in the world live on the borders of Bosnia, Serbia and Crna Gora. I don't know what their historic diets were like. But anyone who has been there will know that their diet is heavy with meat. Restaurants often need to cook something not on the menu for vegetarians.
Meat wasn't such a common food in earlier agricultural times. A normal chicken looks like this:
These are vax 'n drugged:
And the former may cost you about $40+, while the latter probably cost less than $10 pre-Sleepy Joe. Earlier diets in Europe contained much less meat, particularly for poorer people.
Cooking makes food safer, but has a nutritional hit. Eating a raw salad in Africa can come with a death penalty. I can't imagine it was common in many places.
As noted in the thread, all bodies are different and react differently to different diets. But what seems to be universally beneficial is supplementation, as any diet will be deficient in hitting recommended daily allowances.
Reposting (5th time):
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I used had flu about ten to twelve years straight, and also had quite a few sports injuries until I started taking heavy vitamins+.
I went for five years without any illness or injury. I stopped taking vitamins due to running out in Hong Kong. I became ill a few days later and didn't recover for about six months [this also came with some heavy vertigo]. Some sort of Chinese virus. And not long after I got a sports injury that took over two years to heal.
Vitamins plus give your body what it needs to repel and repair. I know three old people whose arthiritus was batted for six after taking vitamins. I just bought some for someone who seems to suffer from some sort of heat illness. Now they are much better.
Three options I know of:
Beyond Tangy Tangerine:
Animal Pak:
Monster Pak:
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Addendum to that. I got COVID about 6-7 weeks after stopping with these vitamins, as I could not find any and just bought normal ones.
These products contain a blend of what you might find in several products - vitamins, minerals, protein precursors, micronutrients, probiotics, anti-cancer, joint health and enzymes.
The theory is that if your body is not getting the nutrients it needs, then you open yourself up to illness on multiple vectors.
I also eat about 5Kg of protein power per month, which I think helps in the same manner.
But I don't eat meat.