It helps that we’re right. That it can’t be bad to eat what humans have eaten for 2 million years.
But 2 recent things I’ve looked at were studies done a few decades ago and shelved because they didn’t get the “right” answer, but were recovered recently and published showing the lipid hypothesis was wrong and the cause of metabolic disorder was carbohydrates
They were suppressed in the 70s and 80s, now they are published. Dietary guidelines in Australia (one of the biggest wheat exporters) now allow low carb for treating type 2 diabetes.
I do believe we’re watching a change in consensus (which as always is progressing one death at a time - perhaps it’s good that the other side is committed to a metabolically dangerous path)
Thats a interesting point, reproductive success also encompass strategies where the longevity of the parent gives better chances to the offspring as well.
Only to a point. Even if you include raising kids, that’s only roughly halfway into our lifetime though.
Sure, but we are a community / social species, being a active member of a tribe even if outside of reproductive activities still gives benefits to the children of the community. Security, altruism, food availability, etc.
What does that have anything to do with our diet?
To the point of being social, living longer lets you help a younger generation survive and raise their kids
Were you fortunate enough to have a grandparent living with you when you were young? It makes things much easier for the parents, much nicer for the kids
You need to live to ~20, call it 45 to raise several children (you need probably 3 surviving ones per couple in an ice age) and the only food option is the animals that can eat the plants below the ice
You need to be able to live on meat your whole life or your line dies out when the cold comes, you need to be able to live on meat all winter in interglacials because no plants that we can eat are available
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