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Smog may harm bones in older adults: study.

ISLAMABAD -- Besides respiratory infections, regular exposure to air pollution, especially the sooty black material emitted from gas and diesel engines, may also increase the risk of bone fractures, finds a study.

Researchers analysed data on 9.2 million Medicare enrolls in the Northeast/Mid-Atlantic area who had been hospitalized for fractures from 2003 to 2010, according to the study published in The Lancet Planetary Health.

The investigators found that even a small increase in exposure to air pollution particulate matter called PM2.5 was associated with an increase in fractures among older adults. PM2.5 is the label for fine inhalable particles with a diameter of 2.5 micrometers or smaller, according to the US Environmental Protection Agency, Health news reported.

The researchers also examined eight years of follow-up among 692 middle-aged, low-income adults in the Boston health survey.

The findings showed that people who lived in areas with higher levels of PM2.5 and black carbon a type of air pollution from vehicle exhaust had lower levels of an important calcium and bone-related hormone, and greater decreases in bone mineral density than did those exposed to lower levels of the two pollutants.

'Decades of careful research has documented the health risks of air pollution, from cardiovascular and respiratory diseases to cancer and impaired cognition [thinking skills], and now osteoporosis,' said senior author Dr. Andrea Baccarelli.

'Among the many benefits of clean air, our research suggests, are improved bone health and a way to prevent bone fractures,' he said.

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Publication:Balochistan Times (Baluchistan Province, Pakistan)
Date:Nov 14, 2017
Words:291
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