Lung cancer: Most lung cancer patients smoke. But, according to a new study from London’s Francis Crick Institute, air pollution can also cause this cancer. Smoking has no role in this. Polluted air in the environment can increase the risk of mortality from many types of cancer, not just lung cancer.Also Read – Horoscope Today, September 17: Taurus will meet a friend, Leo should not give money to anyone.
Which air particles are harmful?
Particulate matter (PM) present in the air is no less toxic to human lungs. According to scientists, PM 2.5 particles can cause cancer. These are particles present in the air, whose size is 2.5 micrometers or less. It can also lead to premature death. Also Read – The arrival of Queen Elizabeth II’s casket at Buckingham Palace
WHO- PM 2.5 particles can enter your lungs and flow into your blood. This puts both the heart and the brain at risk. They can also cause brain strokes and heart attacks. Also Read – Heart Attack vs Sudden Cardiac Arrest: Experts Explain Recent Rise in Cases, Deaths All you need to know
How does air pollution cause cancer?
Researchers say that our DNA gets damaged over time. PM 2.5 particles are capable of rejuvenating old and worn out body cells. These cells become inflamed, causing the lungs to try to repair them. However, one in every 6 lakh cells in a 50-year-old is likely to develop cancer. It is also activated by pollution, which can later take the form of lung cancer.
Success in preventing cancer in mice
This research is significant because scientists have not only linked cancer to air pollution but also used medicine to prevent it. They used this drug on mice and prevented cancer cells from becoming active in their bodies. Researcher Dr. Emilia Lim says that people who don’t smoke at all but still get lung cancer, don’t understand why.
99% of people live in polluted places
Dr Lim said 99% of the world’s population lives in places that do not meet World Health Organization (WHO) guidelines on air pollution. This means that 797 million people on earth are breathing in toxic air. For these figures, the WHO team monitored the air quality of more than 6,000 cities in 117 countries. This problem is most prevalent in low and middle income countries.
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