Mark said on a blog that young green legumes like peas are probably okay, and I would think primal people ate them since we can. It's the matured versions that are bad.
I was a sugarbaby; meaning since I was born I was given lots of sugar, and ate lots of processed foods, especially sweets until I was into my thirties. Most people in the west were/are sugarbabies.
“How does today’s youngster educate his sense of taste? By submerging it in a sea of sugar from the time he gets up to the time he goes to bed.” W. Root and Richard DeRochemont, Eating in America (1976)