Tag

Environmental Health

All articles tagged with #environmental health

Rubber Dust May Signal Alzheimer’s Risk, Study Finds
science1 day ago

Rubber Dust May Signal Alzheimer’s Risk, Study Finds

A Chinese study in Open Medicine links the tire chemical 6PPD-Q—formed when tire particles meet ozone—to oxidative stress, inflammation, and impaired brain-cell communication associated with early-stage Alzheimer’s; exposure routes include inhaled dust, crops, soil, stadium turf, and recycled tire products, with road runoff harming salmon. Researchers used machine learning to show 6PPD-Q binds to three of five Alzheimer predictor genes, but more lab work is needed to assess human risk and causality, particularly in car-heavy regions.

Air pollution may reprogram sperm DNA, raising fertility concerns
health4 days ago

Air pollution may reprogram sperm DNA, raising fertility concerns

A large fertility study following over 2,000 men links exposure to outdoor pollutants (notably ozone and nitrogen dioxide) during sperm development to subtle DNA methylation changes in sperm that regulate gene activity. Researchers identified 39 pollution-associated DNA changes, including in the GNAS gene, suggesting a potential mechanism by which air pollution could affect fertility. However, a direct link to infertility has not been proven, and further work is needed to confirm clinical significance.

Air-quality tests planned at Uxbridge High after several teachers diagnosed with breast conditions
health1 month ago

Air-quality tests planned at Uxbridge High after several teachers diagnosed with breast conditions

Public health officials will visit Uxbridge High School to conduct air-quality tests after several female teachers were diagnosed with breast cancer or precancerous conditions in recent years, as school leaders say they are investigating potential environmental factors without providing numbers or a precise timeframe.

Air-quality review underway at Uxbridge High after multiple teachers diagnosed with breast cancer
local-news1 month ago

Air-quality review underway at Uxbridge High after multiple teachers diagnosed with breast cancer

The Massachusetts Department of Public Health will conduct air-quality tests at Uxbridge High School after several teachers were diagnosed with breast cancer or precancerous conditions. While officials say there is no immediate danger, the district is coordinating with health authorities to determine if environmental factors or building infrastructure (HVAC, plumbing, etc.) could be involved and is gathering information from affected teachers as part of the review.

Fresh scents, clean air: how to scent your home without indoor air pollution
wellbeing1 month ago

Fresh scents, clean air: how to scent your home without indoor air pollution

Experts warn that candles, diffusers and other scented products release VOCs and nanoparticles that can impair lung function and worsen respiratory issues; to minimize risk, choose fragrance products that are phthalate-free, ensure good ventilation, and consider safer, non-fragrance alternatives to keep your home feeling fresh without polluting the air.

Coastal Drinking Water Salt Linked to Higher Blood Pressure, Meta-Analysis Finds
health2 months ago

Coastal Drinking Water Salt Linked to Higher Blood Pressure, Meta-Analysis Finds

A meta-analysis of 27 population studies (over 74,000 participants) finds higher salinity in drinking water—driven by seawater intrusion in coastal areas—associated with higher blood pressure (about 3.22 mmHg systolic and 2.82 mmHg diastolic) and a roughly 26% higher risk of hypertension, strongest near coasts. The findings highlight an environmental factor in cardiovascular risk, note the lack of WHO health-based drinking-water sodium standards, and call for more research on long-term outcomes. Checking local water quality and managing total dietary sodium may help reduce risk.

Nationwide Peru Study Links Pesticide Mix to 150% Jump in Cancer Risk
health3 months ago

Nationwide Peru Study Links Pesticide Mix to 150% Jump in Cancer Risk

A Peru-wide study links exposure to 31 pesticides with about a 150% higher cancer risk in high-exposure areas, using six-year environmental dispersion models and national cancer registry data (2007–2020). Indigenous and rural communities face greater exposure, averaging 12 pesticides. Early molecular analyses suggest pesticides disrupt liver function and cellular identity long before cancer develops, indicating non-genetic pathways to cancer and challenging traditional single-chemical risk assessments. None of the chemicals are currently WHO-classified as known human carcinogens. The findings call for considering real-world chemical mixtures and environmental factors like climate shifts in prevention and policy.

UCLA study links chlorpyrifos exposure to elevated Parkinson's risk
health3 months ago

UCLA study links chlorpyrifos exposure to elevated Parkinson's risk

A UCLA-led study published in Springer Nature Link found long-term exposure to chlorpyrifos associated with a more-than-2.5-fold increase in Parkinson's risk in humans, with mice and zebrafish experiments showing brain effects; the study is observational and cannot prove causation, and researchers note limitations such as unmeasured diet and lifestyle factors while regulators reassess chlorpyrifos use.

Parkinson’s risk linked to groundwater source and age, new study finds
health4 months ago

Parkinson’s risk linked to groundwater source and age, new study finds

A large US study linked Parkinson’s disease risk to where and how people get their drinking water. People drinking from carbonate aquifers had a 24% higher PD risk than those using other aquifers and a 62% higher risk than those drinking from glacial aquifers. Newer groundwater (past 75 years) in carbonate systems was tied to about 11% higher risk than older water. The study analyzed 12,370 people with PD and over 1.2 million without, all within 3 miles of groundwater sampling across 21 major US aquifers, and noted limitations like assuming uniform aquifer characteristics within radius. Carbonate aquifers are common in the Midwest, South, and Florida, while glacial aquifers are more in the Upper Midwest and Northeast. The findings suggest groundwater age and source may influence long-term neurological health, warranting further research.

Newer Groundwater May Elevate Parkinson’s Risk, Large US Study Suggests
health4 months ago

Newer Groundwater May Elevate Parkinson’s Risk, Large US Study Suggests

A large, preliminary U.S. study found an association between drinking-water sources and Parkinson’s disease: people using newer groundwater recharged in the past ~70–75 years and carbonate aquifers showed higher risk, while older groundwater and non-carbonate aquifers showed lower risk. The study, covering over 1.2 million people across 21 aquifers, does not prove causation and has limitations, but suggests groundwater age and source may relate to long‑term brain health and will be presented at the American Academy of Neurology meeting.

Fine-particle pollution tied to higher dementia risk in US seniors
health4 months ago

Fine-particle pollution tied to higher dementia risk in US seniors

A large US study of about 28 million Americans aged 65+ (2000–2018) links higher fine-particulate air pollution to increased dementia incidence, including Alzheimer’s, suggesting pollution may directly affect brain aging beyond other health factors; exposures were roughly twice the WHO annual guideline, with researchers noting potential mechanisms like brain inflammation and toxic protein deposits.