Tag

Ultrafine Particles

All articles tagged with #ultrafine particles

health1 month ago•4 min saved

Candlelight’s hidden cost: indoor air polluted by ultrafine candle particles

A Danish study finds that burning candles releases vast numbers of ultrafine particles (about 7–8 nanometers) and gases like nitrogen dioxide and PAHs, in some cases more than cooking, and these tiny particles can penetrate deep into the lungs and potentially the bloodstream. Even mild asthma showed measurable inflammation after exposure. To reduce risk, use LED candles, burn fewer candles, place them away from drafts, trim wicks, and ventilate the room after use; indoor air quality matters for everyone, especially those with respiratory conditions.

via The Conversation|

#air-quality #asthma #candles

science2 months ago•36 min saved

Indoor vape emissions form a dangerous chemical cocktail, study warns

A December 2025 study in Environmental Science & Technology finds that aerosols from e-cigarettes can become chemically reactive after lingering in indoor air, forming organic hydroperoxides and radicals; ultrafine particles concentrate redox-active metals like arsenic, tin, and lead, creating a “chemical cocktail” that may raise respiratory health risks for bystanders. The researchers urge treating vaping emissions like secondhand smoke and reducing indoor exposure, aligning with global policy debates and bans on vaping.

via Yahoo|

#air-quality #e-cigarettes #health-risks

science2 months ago•4 min saved

Air Fryers Demonstrably Lower Indoor Pollutants Than Traditional Frying, Even with Fatty Foods

A University of Birmingham study using custom air-quality chambers finds air frying releases far fewer volatile organic compounds and ultrafine particles than shallow or deep-fat frying across foods with varying fat content. While some items (e.g., frozen onion rings and bacon) produced higher emissions, air frying still yielded 10–100 times fewer VOCs than deep-fat frying. Repeated use without thorough cleaning increased background emissions, highlighting the importance of design that enables deep cleaning. Overall, air fryers can improve indoor air quality, but maintaining low emissions requires good maintenance.

via SciTechDaily|

#air-fryers #cooking-emissions #indoor-air-quality

health3 months ago•2 min saved

Home Appliances Release Trillions of Harmful Particles, Study Shows

A study by Pusan National University found that common household appliances like toasters and hair dryers emit trillions of ultrafine particles, which can penetrate deep into the lungs and contain heavy metals, potentially increasing health risks such as asthma and cardiovascular diseases. The research highlights the need for improved appliance design and stricter regulations to reduce indoor air pollution.

via ScienceAlert|

#air-quality #health #health-risks

health7 months ago•2 min saved

Study Links Air Pollution to Increased Risk of Brain Tumors and Cognitive Issues

A Danish study links long-term exposure to ultrafine particles and traffic-related pollutants to an increased risk of meningioma, a common brain tumor, highlighting the broader health impacts of air pollution beyond respiratory issues and emphasizing the need for improved air quality measures.

via yahoo.com|

#air-pollution #brain-tumors #environmental-risk

health-and-environment2 years ago•5 min saved

The Hidden Dangers of Traffic Pollution on Our Sense of Smell

A study conducted by the University of Eastern Finland reveals that exposure to ultrafine particles from traffic emissions can significantly alter gene expression in human olfactory mucosa cells. The study found that both renewable and fossil diesel emissions disrupt various cellular functions, but renewable diesel, especially when combined with cleaner engine technology, causes fewer adverse effects. These findings highlight the potential pathway for environmental pollutants to impact the brain through the olfactory system, emphasizing the need for monitoring and regulating these emissions.

via Neuroscience News|

#environmental-pollutants #gene-expression #health-and-environment