Air Pollution Linked To High Risk Of Oral Cancer: Study

Air Pollution Linked To High Risk Of Oral Cancer: Study

A new study, published in the Journal of Investigative Medicine, says higher levels of air pollution may be linked to a heightened risk of developing oral cancer, which includes cancers of the lips, tongue, cheeks, floor of the mouth, hard and soft palate
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Air Pollution Linked To High Risk Of Oral Cancer: StudyExposure to the high levels of PM 2.5 has an increased risk of mouth cancer, study reveals

Taipei: Higher levels of air pollution may be linked to a heightened risk of developing oral cancer, which includes cancers of the lips, tongue, cheeks, floor of the mouth, hard and soft palate, a study has found. While mouth cancers have been associated with smoking, drinking, human papilloma virus, and the chewing of betel quid (“paan”), the study added to this list increased levels of fine particulate matter (PM2.5) and to the lesser extent, ozone. “This study, with a large sample size, is the first to associate oral cancer with PM2.5. These findings add to the growing evidence on the adverse effects of PM2.5 on human health,” said researchers including Shou-Jen Lan, Professor at the Asia University, in Taiwan.

Read Also: Nearly 15,000 Premature Deaths Due To Air Pollution In Delhi: Study

Exposure to heavy metals and emissions from petrochemical plants is also thought to be implicated in the development of the disease while PM2.5 is known to be harmful to respiratory and cardiovascular health. Previously, high air pollution has been linked to a host of health problems, from an increased risk of dementia to asthma and even changes in the structure of the heart, with recent research suggesting there is no “safe level” of air pollution.

For the new study, published in the Journal of Investigative Medicine, the team discovered the association by looking at air pollution data from 66 air quality monitoring stations in Taiwan, collected in 2009. They combined this with data from the health records of more than 4,80,000 men aged 40 and over from 2012-13. In total, there were 11,617 cases of mouth cancer among the participants.

Read Also: Outdoor Air Pollution Killed 4.2 Million People In 2016: United Nations Report

They found that men exposed to the highest levels of PM2.5 had an increased risk of mouth cancer. Compared with men exposed to average annual PM2.5 levels of 26.74 micrograms (µg) per cubic metre (m3) of air, those exposed to concentrations of 40.37 µg/m3 or higher had 43 per cent greater odds of developing the disease. A significant association was also observed for ozone levels below 28.69-30.97 parts per billion.

According to the World Health Organization (WHO), air pollution is responsible for an estimated 4.2 million premature deaths worldwide per year. Around 6,57,000 cases of oral cancer are diagnosed annually across the globe, with 3,30,000 of those patients died, it said.

NDTV – Dettol Banega Swachh India campaign lends support to the Government of India’s Swachh Bharat Mission (SBM). Helmed by Campaign Ambassador Amitabh Bachchan, the campaign aims to spread awareness about hygiene and sanitation, the importance of building toilets and making India open defecation free (ODF) by October 2019, a target set by Prime Minister Narendra Modi, when he launched Swachh Bharat Abhiyan in 2014. Over the years, the campaign has widened its scope to cover issues like air pollutionwaste managementplastic banmanual scavenging and menstrual hygiene. The campaign has also focused extensively on marine pollutionclean Ganga Project and rejuvenation of Yamuna, two of India’s major river bodies.

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