Multiply that by the t in ppt. How many trillions of gallons of water do you think an average city uses every year?

Is all the Miebo/Evotears that’s manufactured being dumped directly into the drinking water supply?

Where do you think it goes after it gets to your eyes? The valid choices are:

A. Absorbed into your body forever.

B. Becomes a part of the water cycle.

C. Is broken down.

And even choice A eventually becomes choice B, ideally after significant time though.

	▲	autoexec 2 hours ago \| parent \| next [-]
		One thing you can be sure of is that the vats of PFAS being produced year after year for this drug aren't going away anytime soon. They're called "forever chemicals" for a reason.
	▲	andy99 2 hours ago \| parent \| prev [-]
		Being dispersed in the environment is not the same as being concentrated into our drinking water supply with each measure resulting in 1ppt contamination of a trillion measures of water.

wagwang 2 hours ago | parent | prev [-]

How do you think pfas got into the water supply in the first place.

	▲	jaggederest 2 hours ago \| parent [-]
		Largely firefighting foams, industrial and manufacturing, and landfill sources, but it's still an interesting problem. They don't really break down (that's why they're so useful both in a materials science sense and as a medication) which implies they'll stick around for an extremely long time.