Does paraquat cause Parkinson's? What the evidence says about this common weed killer
Paraquat is one of the world's most widely used herbicides. It's also highly toxic, and some research points to a link with Parkinson's disease.
Jun 16, 2026
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Inorganic Chemicals: News and Research on Inorganic Chemicals
MeSH tree: D01
Secondhand smoke can leave cancer-causing cadmium in the body
A new study finds that adults who simply breathe in secondhand cigarette smoke have about 1.5 times more of the toxin cadmium in their blood than people in smoke-free environments.
Jun 15, 2026
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The mysterious tooth condition affecting millions of children
Your child's small, delicate, chalk-white baby teeth fall out. In their place grow yellowish-brown, fragile teeth—much to everyone's surprise.
Jun 15, 2026
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Lead levels in children have dropped, yet children of color and children from low-wealth families are still exposed
Blood lead levels in young children in the United States declined in the last decade, but state data reveal that children of color and children from low-wealth families are still exposed to higher levels of lead, according ...
Jun 11, 2026
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Mesothelioma cases and deaths keep rising in US despite decades of asbestos regulation
Mesothelioma deaths and diagnoses continue to rise in the United States despite decades of asbestos regulation and reduced industrial use, according to a new national analysis from Sylvester Comprehensive Cancer Center, part ...
Jun 11, 2026
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Nuts hold key minerals, but digestion unlocks only part of them
The presence of minerals in oilseeds, such as Brazil nuts (Bertholletia excelsa) and cashews (Anacardium occidentale), does not guarantee that the body will use them. A study conducted at the Diadema campus of the Federal ...
Jun 11, 2026
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Exposure to moderate levels of air pollution may cause heart damage, study suggests
In one of the largest studies to date, researchers examined the relationship between long-term air pollution exposure and coronary atherosclerosis and found that even at moderate levels, long-term exposure to air pollution ...
Jun 9, 2026
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Clarifying the interplay between host and gut microbiota in selenium metabolism
Selenium (Se) is an essential trace mineral found in everyday dietary items, such as seafood, meat, and whole grains. Our bodies depend on it for many biological functions, from the synthesis of antioxidant enzymes to immune ...
Jun 6, 2026
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Safe firearm storage may reduce pediatric lead exposure in households with guns
In homes with guns, proper storage is important in preventing injuries and deaths. Now, researchers have found a secondary benefit: Gun owners may be able to minimize children's exposure to lead, an environmental toxin, by ...
Jun 4, 2026
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The road to better health requires a map of the microbes in your mouth
There's a lot of buzz about the gut microbiome—the trillions of microbes that help us digest food and support the immune system. But your mouth is also home to its own highly specialized microbial community, and new research ...
Jun 3, 2026
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