Individuals exposed as children (0-17 years) to indoor air pollution from solid fuels performed significantly worse on cognitive tests in adulthood (45+ years) 🧠; with men, smokers 🚬 and regular alcohol users 🍻 particularly vulnerable to this effect.

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#IndoorAirPollution #CognitiveDevelopment #PublicHealth #ChildhoodExposure #EnvironmentalHealth

Researchers 🔬 analysed blood 🩸 from individuals 👥 who had recently been diagnosed with Multiple Sclerosis 🧠 to investigate concentrations of the common environmental contaminants PFAS 🧪 and PCBs 🧪.

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#MultipleSclerosis #MSResearch #PFAS #PCBs #EnvironmentalHealth

🔬 **New Study Links Environmental Toxins to Higher Multiple Sclerosis Risk**
* Research involving over 1,800 individuals in Sweden found that exposure to both PFAS and PCBs increases the likelihood of an MS diagnosis. Those with the highest concentrations of PFOS and PCBs showed approximately double the odds of being diagnosed with MS compared to those with the lowest.

🧪 **Mixtures Matter: Combined Chemical Exposure Magnifies Risk**
* The study highlights that viewing chemical exposures as mixtures, rather than individual substances, is crucial. Increased total exposure to these contaminants was linked to a higher odds of MS, even after accounting for known genetic and lifestyle factors.

🧬 **Genetic Interaction Identified in MS Development**
* Researchers observed a complex interplay between genetic predisposition and chemical exposure. In individuals carrying a specific gene variant linked to a reduced MS risk, higher PFOS exposure unexpectedly increased their odds of developing the disease.

#MSResearch #EnvironmentalHealth #PFAS

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Lifetime Lead Exposure Triples Alzheimer’s Risk: Most adults born before 1980 carry a significant lead burden from leaded gasoline and paint. The study suggests that nearly 18% of new dementia cases in the U.S. each year may be linked to this historical environmental exposure.

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#LeadExposure #DementiaRisk #PublicHealth #Alzheimers #EnvironmentalHealth

👶 New study reveals babies born 2003-2006 were exposed to far more "forever chemicals" (PFAS) before birth than previously understood, using advanced analytical methods on umbilical cord blood.

🔬 Researchers detected 42 confirmed or potentially identified PFAS chemicals, including newer and less-studied compounds, highlighting the importance of comprehensive measurement methods.

💡 This research could lead to better ways for clinicians to identify individuals with higher PFAS exposure and inform preventive health strategies, especially for pregnant individuals.

#PFAS #ForeverChemicals #EnvironmentalHealth

High temperatures linked to fewer male births in Africa and India, but for very different reasons

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Here are 5 hashtags for your post:#hotclimatebirthrates #genderbirthgap #AfricaIndiademographics #environmentalhealth #populationtrends

🔬 New research offers the first molecular explanation for how "forever chemicals" like PFDA cause birth defects, specifically craniofacial abnormalities.

🔬 The study, published in ACS Chemical Research in Toxicology, found that PFDA disrupts a crucial enzyme (CYP26A1) that regulates retinoic acid, a molecule vital for face and head development, leading to underdeveloped eyes and abnormal jaws.

🔬 Researchers tested 139 PFAS compounds and identified PFDA as the most toxic to fetal craniofacial development, with even tiny amounts causing visible facial changes and a 10% risk increase at extremely low exposure levels.

#PFAS #EnvironmentalHealth #BirthDefects

A new study of pesticide exposure in Peru finds a mechanistic association between exposure and cancer and shows how “complex pesticide mixtures” can contribute to the development of cancer in people, even at exposure levels currently deemed safe.

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#PesticideExposure #CancerResearch #EnvironmentalHealth

Epigenetic fingerprints link early-onset colon and rectal cancer to pesticide exposure.

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#Epigenetics #ColorectalCancer #EnvironmentalHealth

🔴 Simultaneous exposure to toxic chemicals and climate change impacts likely creates a greater threat to fertility, according to new research.

🔴 Endocrine-disrupting chemicals like phthalates, PFAS, and microplastics, alongside climate factors such as heat stress, independently harm reproductive health, but their combined effects are potentially more severe.

🔴 The study reviewed 177 scientific papers, highlighting an "alarming" additive effect on fertility across global species, including humans, wildlife, and invertebrates.

#FertilityCrisis #EnvironmentalHealth #ClimateChange

👶 Mount Sinai study reveals early-life metal exposures during specific weeks in infancy (weeks 4–8 and 32–42 after birth) are linked to behavioral challenges and measurable differences in adolescent brain development and communication.

🦷 Researchers used baby teeth as a biological record to reconstruct weekly metal exposure from pregnancy through the first year of life, linking it to later brain scans and behavioral assessments in 489 children.

🧠 Higher metal mixture exposure during these critical windows was associated with increased behavioral symptoms like anxiety, attention issues, and mood challenges, with about 4% of children showing clinically significant scores.

💡 Findings emphasize the importance of environmental protections for pregnant people and infants, suggesting that focused policies reducing metal exposure during specific high-risk windows could have lifelong benefits for brain health.

#EnvironmentalHealth #BrainDevelopment #PublicHealth

Correlation between gold and mercury in human blood among individuals in northwestern Tanzania

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#GoldMercuryCorrelation #EnvironmentalHealth #TanzaniaResearch

🔬 A new study by the universities of Sussex and Exeter found microplastics in over 75% of tested pet food brands (16 out of 19), with cheaper "value range" products showing higher concentrations.

💧 While dry food had higher concentrations, wet food leads to higher daily microplastic intake as pets need to eat more of it.

📢 Researchers are calling for government regulations requiring processed food manufacturers to test for microplastic contamination, similar to existing chemical contamination tests.

#PetFood #Microplastics #EnvironmentalHealth

Air pollution may cause childhood obesity by disrupting impulse control, study finds

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#AirPollution #ChildhoodObesity #EnvironmentalHealth

🔬 Mount Sinai study links prenatal and early-life exposure to "forever chemicals" (PFAS) with higher levels of intestinal inflammation in children, measured years later.

🧪 Published July 10, 2026, in Clinical Gastroenterology and Hepatology, this first-of-its-kind research found consistent associations between PFAS exposure and fecal calprotectin, a biomarker for intestinal inflammation, across three birth cohorts.

👶 Researchers tracked children for up to 11 years, measuring PFAS in maternal blood, umbilical cord blood, and newborn blood spots, finding higher PFAS mixture levels correlated with elevated fecal calprotectin.

#PFAS #EnvironmentalHealth #Inflammation

Risk of Parkinson’s disease may increase with prolonged exposure to road traffic noise | Study linking noise pollution to Parkinson’s finds 3% increase in risk for every 11.5dB rise in noise levels

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#NoisePollution #ParkinsonsDisease #EnvironmentalHealth

New Evidence That Microplastics Can Cross Placental Barrier And Alter Hormone Production. Study in mice showed that tiny plastic fragments inhaled by a mother mouse during pregnancy may be present in the organs of her offspring up to two weeks after birth

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#Microplastics #PlacentalBarrier #EnvironmentalHealth

Living near dry cleaners linked to higher Parkinson’s odds in older adults. Study found a dose-response pattern, with the highest odds within 500 feet.

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#ParkinsonsDisease #AirPollutionHealth #EnvironmentalHealth

🪖 Brown University researchers found younger U.S. military veterans (ages 20-39) have higher concentrations of "forever chemicals" (PFAS) in their blood serum compared to civilians of similar ages.

🔬 The study analyzed data from 2003-2018, revealing that young veterans were 13%-24% higher in specific PFAS chemicals and 18% more likely to exceed health advisory levels of 20 ng/mL.

🩺 Researchers recommend male veterans aged 20-39 speak with a physician about PFAS testing and screening for associated health conditions like kidney and testicular cancers, liver/cardiovascular disease, and thyroid dysfunction.

#PFAS #VeteranHealth #EnvironmentalHealth

• 🌬️ Exposure to air pollutants, particularly PM2.5, PM10, and NO2, is linked to increased risk of death by suicide, suicidal thoughts, and attempted suicide.

• 📈 These findings highlight the importance of considering environmental factors as potentially changeable risks in strategies aimed at preventing suicide.

• 💡 The research reviewed studies published between January 2010 and April 2024, with a pooled data analysis involving 29 studies.

#SuicidePrevention #MentalHealth #EnvironmentalHealth