Swiss researchers are working on a way to diagnose disease from a patient’s breath. The technique uses a sensitive device that can identify a huge range of compounds in exhaled air.
Dogs can sniff out drugs, cash and explosives. Now media and researchers are celebrating a new canine skill: their ability to detect tumors. But we shouldn't get too excited about it yet.
We're often told to "get out into the fresh air." It's supposed to be especially good for our health. It's even been claimed that fresh air protects us from cancer.
Aid groups are rushing to rescue Syrians in critical condition in Eastern Ghouta. But some have already died, while others fear reprisal from the regime if escorted to Damascus. Mat Nashed and Omar AlKhateeb report.
The World Health Organization has released a new report showing that nearly everywhere people live, the air is polluted beyond safe levels. Polluted air doesn't just smell bad - it's unhealthy, even life-threatening.
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