Breath | Common News Update

Marylebone in central London has some of the worst air pollution levels in the country due to its congested roads. But the 60,000 commuters passing through the railway station every day will now breathe air that is 95% cleaner.Four new filtering chambers have been fitted in the station to create clean air zones.The units suck in dirty air at the top, which is passed through three big filters inside to remove particulate matter and nitrogen oxide from the air. Image: The filters use nanocarbon technology to 'scrub' the air clean Sophie Power is the co-founder of Airlabs, which designed the technology.She told Sky News: "We combine atmospheric chemistry and airflow engineering so, first of all we have to clean ...

The only way to test for symptoms of stomach or esophageal cancer is to undergo an upper endoscopy, a test that can be invasive, cost thousands of dollars and has a small percentage of success in actually finding a tumor. Researchers in the U.K. wanted a diagnostic tool that would be easier and cheaper to test for these cancers so they used a noninvasive breath test to collect samples of 500cc of exhaled breath from 335 people, 172 of which they knew had those cancers, after a minimum four-hour fast. The exhaled breath was quickly analyzed for five previously identified volatile organic compounds (VOCs), known to have some association with gastric and esophageal cancers (VOCs happen with other cancers, including lung, bladder, and breast). The researchers were looking for evidence of bu...

Tag: Breath

London commuters get a breath of fresh air

Breath test can save money and catch cancer early