this post was submitted on 17 Feb 2025
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Summary

A recent meta-analysis of 30 studies involving 90,000 participants found that water chlorination levels common in the US and EU likely increase bladder cancer risk by 33% and colorectal cancer risk by 15%.

Chlorine reacts with organic matter to form trihalomethanes (THM), toxic byproducts present in nearly all public water systems.

Although chlorine disinfection has reduced waterborne diseases, these findings pose regulatory challenges.

Alternatives exist but are costly. Experts recommend continued tap water use with effective filtration, such as granulated activated carbon.

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[–] TheDemonBuer 33 points 3 days ago (1 children)

A recent meta-analysis of 30 studies involving 90,000 participants found that water chlorination levels common in the US and EU likely increase bladder cancer risk by 33% and colorectal cancer risk by 15%.

I find this particularly interesting because my dad died of bladder cancer and my aunt died of colon cancer. Needless to say, I'm going to continue to filter my water.

Alternatives exist but are costly. Experts recommend continued tap water use with effective filtration, such as granulated activated carbon.

Oh, well, if they're costly then it's fine. What are human lives compared to money, anyway?

[–] shalafi 5 points 3 days ago (2 children)

OK, we'll figure out how to filter billions of gallons of water fast enough to serve the population. Now your water bill goes from $20 to $120.

So what will poor people do? And keep in mind, almost no jurisdiction allows one to stay in a home with no water service.

[–] CrayonRosary 1 points 3 days ago (1 children)

So what will poor people do?

Get subsidies, hopefully.

[–] [email protected] 1 points 3 days ago (1 children)

Lmao, not sure if you're trolling or just living under a rock. Subsidies for the POOR in Trump's US?

[–] CrayonRosary 2 points 3 days ago (1 children)

Water service is local. The federal government doesn't factor into it. Counties and states can do the subsidising.

Also, I'm sick of this exhausting doom and gloom. "We can't do anything, ever, because Trump."

[–] shalafi 1 points 2 days ago

They're busy dismantling and taking control of the federal government, and doing so at astonishing speed. They'll drill into state affairs soon enough.

[–] Squizzy 0 points 3 days ago

Watwr bill?

[–] Nurse_Robot 9 points 3 days ago (1 children)

And the current administration is focused on removing fluoride from water. Glad to see we're honed in on the real problems

[–] Jimmyeatsausage 2 points 3 days ago

That's not all they're focused on, they're also rolling back all that money to get rid of lead pipes!

[–] [email protected] 5 points 3 days ago

Chlorine evaporates in any open container. It evaporates completely and almost instantly when boiled. A couple tips for those who want to minimize it - filters aren’t necessary.

[–] Pencilnoob 6 points 3 days ago* (last edited 3 days ago) (3 children)

I got a steel countertop water still a few years ago and it's changed the game for me. The chemicals left in the chamber after all the water is gone is so disgusting, it often takes several minutes of scrubbing to get it all out.

I got tired of scrubbing so I got a timer that stops the device with about 1/6th of the water remaining. I can simply dump out the highly concentrated remainder without needing to scrub the boiling chamber.

I like these devices because they are simple and don't have any plastic components. I suspect this one will last me for the rest of my life with minor repairs. It fully removes everything and doesn't add in micro plastic like almost every filter system does.

Also it turns out I absolutely love the taste of distilled water (if it's stored in glass). It tastes nothing like the gross cheap plastic jugs from the grocery store. It's silky and refreshing. It actually got me to drink a lot more water!

[–] Nikelui 25 points 3 days ago (2 children)

Not to rain on your parade, but you have to be careful with your diet if you are drinking distilled water because you are not getting the essential electrolites contained in mineral water (sodium, potassium, calcium and magnesium)

[–] Pencilnoob 3 points 3 days ago* (last edited 3 days ago) (1 children)

To be honest I haven't yet seen a study that indicates that it's actually unhealthy to drink distilled water if you're otherwise eating a healthy balanced diet. The only study that seems to indicate that it's a problem is if a person is already seriously malnourished and the trace amounts of minerals in water was actually making up a significant portion of their intake of those minerals.

I eat several cups of green vegetables a day which has a thousand times more of all of those minerals then tap water. I'm not concerned that missing out on a few micrograms of sodium, potassium, calcium, and magnesium is going to cause a problem if I'm otherwise getting all of those by the milligram in my food.

If you have studies to show otherwise I'd be happy to see them. I did buy a mineral supplement to put in water but it makes it taste pretty salty so I haven't been using it very much.

[–] Nikelui 1 points 3 days ago* (last edited 3 days ago)

if you're otherwise eating a healthy balanced diet.

That was the point, if you are aware of it you should be fine.

[–] [email protected] 1 points 3 days ago

I've been drinking ro water for a couple years now and my understanding is the minerals in water are mostly negligible and if you rely on them then you have serious deficiencies in your diet.

[–] Bestaa 6 points 3 days ago (1 children)

The residue left over after boiling water is probably mostly calcium (if white) or iron (if orange/brown). Both are from dissolved minerals in the water source. If you need to clean anything stained by either, vinegar should dissolve the minerals with minimal effort. I'd avoid vinegar on anything stone (like countertops), as some types of stone will dissolve in the presence of acid.

[–] Pencilnoob 1 points 3 days ago

It's more of a yellow and smells vaguely like urine, but also very acerbic and foul. There's off-yellow crystals at the bottom of the chamber. I'm no expert, just I know I'd rather drink my own urine than drink what's left in that chamber after running a gallon through it. It's revolting and makes me gag to smell it.

[–] Makhno 3 points 3 days ago (1 children)

Which one do you recommend?

[–] Pencilnoob 1 points 3 days ago

I've got one of these, and it seems like it will out live me with minor repairs.

I might one day upgrade to a bigger one that has flushing built in, but for now this is plenty and has so few moving parts it's going to be easy to repair if it ever breaks.

https://www.h2olabs.com/p-54-white-baked-enamel-model-300-water-distiller-with-glass-carafe.aspx