> We have more knowledge now, but are we truly more intelligent than people 400 years ago? 1000 years ago? Absolutely. Nutrition is very important for developm

> We have more knowledge now, but are we truly more intelligent than people 400 years ago? 1000 years ago? Absolutely. Nutrition is very important for development, and people today eat more diversely and better, on average than a 1000 years ago. Not to mention that nowadays pretty much everyone (in a developed and many developing) countries gets an education starting a young age, which surely helps too.