Health

What is the health impact of wildfire smoke?

California, home of the freeway and the car-based lifestyle, has long struggled with air pollution—and been a pioneer in cleaning up the air, for example in vehicle emission standards. But in recent years, a new threat ...

Health

Childhood asthma study uncovers risky air pollutant mixtures

Researchers at the Icahn School of Medicine at Mount Sinai have developed a novel machine learning algorithm and used it to identify previously unknown mixtures of toxic air pollutants that appear to be linked to poor asthma ...

Alzheimer's disease & dementia

Studies show that clean air matters for a healthy brain

Two USC researchers whose work linked air pollution to a greater risk of Alzheimer's disease and faster cognitive decline are seeing signs that cleaner air can make a difference in brain health.

Health

What is dust? And where does it all come from?

Everything in our homes gathers dust. But what exactly is it? Where does it come from, and why does it keep coming back? Is it from outside? Is it fibers from our clothes and cells from our skin?

Medical research

Ozone exposure link to the development of type 2 diabetes

Older Californians who live in communities with poor air quality, even those who engage—as recommended—in physical activities but do so outdoors, have a higher risk of Type 2 diabetes, a complex and chronic metabolic ...

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Pollutant

A pollutant is a waste material that pollutes air, water or soil, and is the cause of pollution.

Three factors determine the severity of a pollutant: its chemical nature, its concentration and its persistence. Some pollutants are biodegradable and therefore will not persist in the environment in the long term. However the degradation products of some pollutants are themselves polluting such as the products DDE and DDD produced from degradation of DDT

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