> the brain puts on "brakes" to cognitive capacity in response to some viruses/injuries A terrifying prospect. Misuse of lead (pipes, paint, gas) was a nationa

> the brain puts on "brakes" to cognitive capacity in response to some viruses/injuries A terrifying prospect. Misuse of lead (pipes, paint, gas) was a national tragedy with demonstrable ill effect on society and, IMO, still badly affecting the mental health of the older folk who grew up in that era. We can’t afford to take on another generation of mentally diminished, emotionally fragile citizens.