Health

Doubt cast over face mask benefit

Face masks are a common sight in some of the world's most polluted cities but a recent study has cast fresh doubt over their effectiveness.

Health

Babies stir up clouds of bio-gunk when they crawl

When babies crawl, their movement across floors, especially carpeted surfaces, kicks up high levels of dirt, skin cells, bacteria, pollen, and fungal spores, a new study has found. The infants inhale a dose of bio bits in ...

Alzheimer's disease & dementia

Air pollution may lead to dementia in older women

Tiny air pollution particles—the type that mainly comes from power plants and automobiles—may greatly increase the chance of dementia, including Alzheimer's disease, according to USC-led research.

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