Dr. Aly Cohen
speaker
699 appearances
2 recordings
2 series
first heard Apr 2025
last heard May 2025
Dr. Aly Cohen’s voice in public audio — every appearance, attributed to the second.
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But that only removes a very small proportion of contaminants in general. They vary in terms of manufacturing. Same with the refrigerator. A refrigerator door often can have a water system and a filter, and that's a carbon block as well. But then when you move to different options, you can move all the way up to reverse osmosis, which nowadays is very, very cost effective.
I've watched the prices drop over the last 10, 15 years, and they run about $275 to buy and about $150 for a plumber to install in one hour because they're just splitting the water line. You can have it on top of your counter in your kitchen. You can have it underneath your sink, which is much easier, believe it or not, because you don't have to keep refilling it.
I've tried them all out in terms of convenience. And I will tell you reverse osmosis now that it's cost effective. I do encourage people to think about that when they're moving into apartments or homes, even if you're going to colleges, if you're going, you know, traveling and renting apartments, there's there's really a lot of options that you can filter your water.
So any filtration is better than none for sure. But then there's a variety. And I talk about in the book, a variety of options for people to decide what's best for them.
A reverse osmosis moving, well, in terms of its benefit. Oh, it's going to be up to supreme for sure.
Really anything. It's up, you know, the thousands of chemicals that vary from whatever. I mean, look, we just had a, you know, a clog in our sink and we poured Drano down, right? Anything that you put down the sink or actually the toilet, sewage becomes drinking water. So the number of things that are in our drinking water is remarkable.
When it comes to the most common, well, often you'll get things like industrial chemicals, things like heavy metals, like arsenic, sometimes lead even. For sure, you can get, you know, cadmium. There's lots of things like BPA and plasticizer chemicals. There's certainly detergents, which are intentionally added.
as well as chlorine and often fluoride that are added at these wastewater treatment plants intentionally for various reasons. Right. But our job is really to think about how do you remove the chemicals, even those that are intentionally added when they hit your home, when they hit your glass. So the point of use.
And so that's really the value, no matter where your water comes from into your home, whether it's a well, whether it's wastewater treatment plant, you have an opportunity to to really clean what goes into your body. And your body is 85, 87% water.
So if we can get that right, it's really helpful, not only in terms of what we're exposed to, but how we detoxify our body from things we don't always have control over.
For sure. So when I talk about any of these exposures, I color my hair. I've watched my kids play lacrosse on toxic turf five times, you know, five, three times a week, whatever games. The idea is that life is such that you don't want to flip out over one or two exposures here and there or any of these kind of like, you know, what I call the allow of my four A's is.
Life in general is fluid and we're going to be exposed to birthday cakes and travel. What you want to be thinking about is the chronic exposures that you can control because by volume that will add up over time. Even if they're very, very, very small doses, very small amounts because of the way they work in the human body, even the very smallest doses can actually have some effects on our health.
I would say we do have to worry more because in the amount of time that we've had from generation to generation, 10, 15, 40, 50 years, we had an exponential growth in the number of chemicals that have come into the market. We're upwards of 95,000, maybe even more in terms of the chemicals.
that have been added in fact about a thousand to fifteen hundred new chemicals add into the system every year about 15 new compounds are uh patented every week and most of them if not all of them have not been tested or been required to have testing for safety or toxicity before they go into the products that go in onto our products into our into our homes and onto our bodies
So thinking about just the vast number that have increased and the fact that all of these different areas of our lives, like water systems, have not improved, you know, there's lots that we are now kind of catching up with. Humans never were exposed to this level of synthetic chemical exposure in our whole, you know, millions of years of existence until about 75 years ago.
So it's a very short period of time for the human body to really adjust or adapt to these exposures.
So, you know, what happens with our air is that things in the air don't just stay in the air, right? There's particles that you can't even see. They're called particulate matter. And they're so small that they're even, you know, say 2.5 microns, which is so small. It's basically the size of maybe half of the diameter of a hair. in terms of its tininess.
So there's a lot of particulate matter that we are breathing in that we just can't see, right? Unlike smoke, where you might actually see smoke, that's enormous number of particulate matter kind of combined together. Now, when it comes to the air, it passes, right?
You know, air goes in front of us constantly, but it can be reaccumulated with a lot of chemicals when it comes to things we bring into our home, for example. When your home is really airtight, as they are, you know, for economic reasons to keep our
heating and air conditioning bills normal or low, and we don't open windows, then we're really keeping a lot of the chemicals that aerate into the air sealed in, which means that we're breathing in those chemicals quite readily and quite often.
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