alt Hacker NewsThey were getting sick and died more often than us, but still enough survived to keep the population alive. There's no contradiction.
I admit they probably had a stronger immunologic system on average, by virtue of relying on it and "exercising" more often. Alternatively, people prone to getting sick just died early.
> They were getting sick and died more often than us
The comparison was with agrarian societies that were found in parallel, not "us", which presumably implies something about modern medicine. Have I misinterpreted you?
> There's no contradiction.
Was there reason to think that there was...? It is not clear what you are trying to add here.