I'm no expert, but I've heard that it's much worse when you reuse the same plastic bottle. Single use bottles are designed for single use, and they break down after multiple uses and increase your microplatic intake.
Call me paranoid but this feels like an op. 99% of people know genes are real, and the title just ties that directly together with IQ. "Oh, so you don't believe IQ is real? So you like don't believe in genes?"
Shrinks by the most in four months? So you mean it was shrinking faster than this 4 months ago? This means nothing and could be true for a healthy economy or one in absolute freefall.
The existence of nuclear weapons makes me terrified of this eventuality