That may well be true, but I'm not sure it matters when your carpets, furniture, and clothing are covered with it. Eventually it will end up in your mouth and

That may well be true, but I'm not sure it matters when your carpets, furniture, and clothing are covered with it. Eventually it will end up in your mouth and lungs, no way around it. I have a little theory that a significant portion of our physiologic PFC burden is acquired when we're babies. Babies positively swim in whatever substances are on the ground and furnishings. My other pet theory is that PFCs are contributing to the decline in sperm counts that we're seeing across the developed world: https://web.archive.org/web/20191221153531/https://www.theatlantic.com/family/archive/2018/10/sperm-counts-continue-to-fall/572794/ https://web.archive.org/web/20191221153531/https://www.theat...