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Ancient Volcanic Eruptions Still Taking Lives

(PhysOrg.com) -- A cancer epidemic under way in southeast China may have been initiated by a string of Siberian volcanoes that spewed ash across the Earth 250 million years ago, according to a study published in the journal ...

Coal from mass extinction era linked to lung cancer mystery

The volcanic eruptions thought responsible for Earth's largest mass extinction — which killed more than 70 percent of plants and animals 250 million years ago — is still taking lives today. That's the conclusion of a ...

Breathalyzer test detects lung cancer: study

Scientists in Israel have devised a portable breath tester that detects lung cancer with 86 percent accuracy, according to a study released Sunday.

Growing evidence of marijuana smoke's potential dangers

In a finding that challenges the increasingly popular belief that smoking marijuana is less harmful to health than smoking tobacco, researchers in Canada are reporting that smoking marijuana, like smoking tobacco, has toxic ...

Report: Most Americans in areas with unhealthy air

(AP) -- Sixty percent of Americans live in areas with unhealthy air pollution levels, despite a growing green movement and more stringent laws aimed at improving air quality, the American Lung Association said in a report ...

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