Study Suggests BPA-Free Plastics Are Just As Harmful To Health (gizmodo.com)
An anonymous reader quotes a report from Gizmodo: Plastic products that boast of being "BPA-free" aren't necessarily any safer for us, suggests a new mouse study published Thursday in Current Biology. The chemicals used to replace BPA in these plastics can still leak out and affect the sperm and eggs of both male and female mice, it found. And these same effects could be happening in people. Bisphenol A, or BPA, is a chemical commonly used to create polycarbonate plastics and epoxy resins. These clear white plastics are themselves used in food and drink packaging, as well as consumer products and medical devices, while resins are used to coat metal products like canned foods. When these products degrade or are otherwise damaged (from being repeatedly heated in a microwave, for example), they can leach out BPA, exposing us to it. As a result, it's estimated that 93 percent of Americans have some level of BPA in their system.
While working on another project, the authors began seeing some but not all of their control mice, both male and female, develop reproductive problems. Though the mice had kept in cages made of polysulfone, not polycarbonate, the researchers noticed a whitish residue in some of the cages, indicating they had been damaged and were leaching chemicals. When Patricia Hunt, a researcher at the Center for Reproductive Biology at Washington State University, and her team analyzed the chemical signature of the damaged cages, they found both BPA and BPS, a bisphenol that is widely replacing BPA. The cases were polysulfone plastic, which is partly made from BPA, but it's advertised to be more heat and chemical resistant than polycarbonate and thus less likely to break down. Polysulfone isn't thought to degrade into BPS, but Hunt's team found that if certain chemical bonds in the plastic were broken in the right way, BPS could form. Following in the vein of their original experiments with BPA, Hunt's team exposed more mice to low doses of BPS, and compared their reproductive health to mice exposed to BPA and mice raised in fresh new cages, presumably free of any BPA/BPS contamination. The BPS mice had more defects in their egg and sperm cells than did the control mice, but the level of damage was similar to that seen in mice they exposed to the same dose of BPA alone. "Though manufacturers have shied away from making explicit claims about BPA replacements being safer, Hunt noted, customers have certainly assumed that they are safer," the report notes.
While working on another project, the authors began seeing some but not all of their control mice, both male and female, develop reproductive problems. Though the mice had kept in cages made of polysulfone, not polycarbonate, the researchers noticed a whitish residue in some of the cages, indicating they had been damaged and were leaching chemicals. When Patricia Hunt, a researcher at the Center for Reproductive Biology at Washington State University, and her team analyzed the chemical signature of the damaged cages, they found both BPA and BPS, a bisphenol that is widely replacing BPA. The cases were polysulfone plastic, which is partly made from BPA, but it's advertised to be more heat and chemical resistant than polycarbonate and thus less likely to break down. Polysulfone isn't thought to degrade into BPS, but Hunt's team found that if certain chemical bonds in the plastic were broken in the right way, BPS could form. Following in the vein of their original experiments with BPA, Hunt's team exposed more mice to low doses of BPS, and compared their reproductive health to mice exposed to BPA and mice raised in fresh new cages, presumably free of any BPA/BPS contamination. The BPS mice had more defects in their egg and sperm cells than did the control mice, but the level of damage was similar to that seen in mice they exposed to the same dose of BPA alone. "Though manufacturers have shied away from making explicit claims about BPA replacements being safer, Hunt noted, customers have certainly assumed that they are safer," the report notes.
Plastic is toxic. Always has been. Don't use it to wrap anything you eat or drink. It's not good for you.
I don't respond to AC's.
I've started going back to using glass containers for food and Stainless steel drink bottles. I wish we could go back to glass milk bottles where I live. With glass you can reuse and recycle. Businesses don't like it because glass weighs more and breakages etc but too bad - you have to put your own health ahead of dollars some time. Glass needs lots of energy to produce I hear you say - well just incinerate the plastic rubbish to power it.
Mother Jones had a series of articles covering the fact that BPA substitutes were untested and likely to have essentially the same endocrine disrupting effects as BPA because they are chemically very similar to BPA.
Here's one article from 2014.
After reading their coverage I switched to glass containers for all leftover food and I never microwave anything in a plastic dish. If I buy something that comes in plastic and is intended to be cookied in the packagin, I dump it into a glass dish and microwave it that way instead.
Here's some crazy stuff you probably didn't know - those thermal receipts that you get at the grocery store and fast food places are chock full of BPA, its a necessary component to the thermal printing process. And just handling a receipt gets BPA into your bloodstream - not very much, one or two receipts isn't going to make a noticeable difference. But, there are two chemicals that massively acclerate the absorption through your skin - grease (like from fast food) and hand sanitizer. Get either of those on your skin before you touch the receipt and you get ~100x the dose. And if you are cashier who touches a couple of hundred receipts every day, well that's not healthy.
about suggestive studies are harmful to my brain cells.
wtf is gong on with /.
itâ(TM)s more fun to troll than to make intellgent tech posts
I can still eat play doh?
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I have seen 40 year old plastic from the Eastern Bloc, which is still completely fine. It is still as soft as new, not turning brittle after some years like today's plastic.
So the plasticiser isn't leaking out like today's. But it was banned because the substance is cancerous. Why should we care though if it doesn't leak out? And beside the probably less health effects we would get long lasting products. Maybe that's the actual reason why it is banned?
Anyone knows the name of the substance? Chinese plastics were also on the news years ago fora cancerous plasticiser, this could be the same.
During the 20th century, cancer fatalities in the West increased eight-fold, and that's even with us having gotten much better at 1) detecting cancer early, 2) treating it succesfully, and 3) offering treatment to more people.
The theory is that it's the explosive use of plastics in our environment, in our clothes and in our homes, and in food preparation and storage that has resulted in this increase.
A minimum effort everyone should commit to is removing all plastics from your kitchen, including coated pots and pans.
You clearly do not know how science works or you are a weak level-2 troll.
Problem solved
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We only use stainless or polypro for food storage. No non-stick pans, only stainless or cast iron/carbon steel. Stainless water bottles. Stainless water filter. The big problem is all the PVC underground delivering your water to you.
I can't help but wonder what's going to leach out of/off off all those roads that are starting to be made with recycled plastic and whether it'll be better or worse than what runs off of asphalt (also made from oil).
fencepost
just a little off
Oh Hum
This effect was discussed more than two years back:
https://arstechnica.com/science/2016/02/the-problem-with-bpa-free-alternatives-are-just-as-troubling/
I genuinely want to know, what's the new finding in this study?
This is not some amazing new revelation, we've known all of this for many, many years. A Jew paid off government officials to approve BPA in the first place, that was about 70 years ago, if I'm remembering correctly.
All plastic is toxic. All water and food s polluted.
Pesticides will produce the same effects. Every product you buy from the grocery store or a restaurant is covered in or full of pesticides.
Enjoy your diseased life. Try not to die too early with your testosterone levels of an 80 year old man. Maybe if you try to have kids early in life, your body will not be incapable of doing so. Hope every day that your child won't have autism or any of the other diseases that are caused by the mother's screwed up hormones and diseased body and toxic diet.
We know how to mitigate the risks with the plastics. I have always been of the assumption that whatever they replaced the BPA with is probably just as risky, and definitely not as well studied nor had the track record that BPA has. At least we know the risks with PBA, god knows what the risks are in the new stuff they'll find 20 years from now.
As already mentioned in here, dont put hot liquids in plastics, leave plastic cups/bottles in cars, or microwave in plastic containers.
Remove any food from the plastic containers and heat them on a plate or glass container instead