Given that pressure from natural selection has lessened a lot, chances are that we are less special now.

Our intellect evolved for survival, but now it's very much optional - has been for many generations. It and may now even be inversely correlated with having offspring.

I would be unsurprised if we're noticably dumber now than we used to be.

We seem to be making up for it with better nutrition and medicine.

Plus all the lead we spewed into the air for three generations.