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Environmental Health

All articles tagged with #environmental health

Nationwide Peru Study Links Pesticide Mix to 150% Jump in Cancer Risk
health2 days 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.

via SciTechDaily|
#cancer-risk#environmental-health#health
UCLA study links chlorpyrifos exposure to elevated Parkinson's risk
health19 days 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.

via Fox News|
#chlorpyrifos#environmental-health#epidemiology
Parkinson’s risk linked to groundwater source and age, new study finds
health1 month 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.

via New York Post|
#carbonate-aquifers#environmental-health#groundwater
Newer Groundwater May Elevate Parkinson’s Risk, Large US Study Suggests
health1 month 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.

via Neuroscience News|
#aquifers#drinking-water#environmental-health
Fine-particle pollution tied to higher dementia risk in US seniors
health1 month 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.

via Financial Times|
#air-pollution#alzheimers-disease#dementia
Scientists Explore Pollution's Impact on Psoriasis
health6 months ago

Scientists Explore Pollution's Impact on Psoriasis

Recent studies reveal a significant link between air pollution and the triggering or worsening of psoriasis, an autoimmune skin condition, with pollutants like PM2.5 and PAHs contributing to inflammation and immune activation. Individuals in polluted environments, such as those near sugarcane burning or factories, are at increased risk, highlighting the need for regulatory action and personal protective measures.

via Live Science|
#air-quality#autoimmune#environmental-health