I didn't mention antibiotics, I said antibacterial products- I was referring to cleaners that kill all the bacteria on surfaces, thus altering what people are exposed to. Antibiotics do, also, alter the gut bacteria.

Yes, I am saying there may be links that the articles didn't mention. It's not just the higher activity level, but the increase in risky behavior.

Those are good points about effective calorie intake.

I would like to know how living in hermetically sealed environments have effected childrens' brain development. I've never seen anything published about that.