Exposure to cigarette smoke found to increase cancer risk in dogs

Dogs are humans' best friends. Need to quickly locate a bomb? There's a dog for that. Can't see very well? There's a dog for that. Searching for a lost hiker in the mountains or survivors in an earthquake, diagnosing illness, ...

A known environmental hazard can change the epigenetics of cells

Epigenetics, the chemical mechanisms that control the activity of genes, allows our cells, tissues and organs to adapt to the changing circumstances of the environment around us. This advantage can become a drawback, though, ...

As wildfires multiply, a new era of air pollution

From Quebec to British Columbia to Hawaii, North America is facing an extraordinary wildfire season—and regions both near and far have found themselves increasingly blighted by smoke exposure.

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