1) were our foraging ancestors chronically malnourished? (I think no)
It’s not like evolution magically stopped when agriculture was introduced, and early farmers were chronically malnourished. (It has had less time to operate since then than before then, though.)
It’s not like evolution magically stopped when agriculture was introduced, and early farmers were chronically malnourished. (It has had less time to operate since then than before then, though.)