Hidden in cigarettes: a deadly source of radiation – Even filters can’t improve it
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Hidden in cigarettes: a deadly source of radiation – Even filters can’t improve it.
On July 21st, the United Nations Scientific Committee on the Effects of Atomic Radiation released a report stating that polonium-210 in tobacco is a major source of internal radiation exposure in humans.
Numerous scientific studies have shown a close correlation between smoking and the risk of lung cancer, with polonium-210 being one of the significant contributing factors.
The α particles produced by the decay of polonium-210 directly damage lung tissues, and its long-term radiation effects can lead to tumor formation. The higher the absorbed dose, the greater the probability of cancer occurrence.
During the smoking process, 35% of polonium-210 in tobacco remains in the cigarette butt, 50% transfers to the smoke and enters the lungs, and 15% stays in the ash. If a smoker consumes one pack of cigarettes (20 sticks) per day, the amount of polonium-210 inhaled into the lungs is 70 times that of a non-smoker, resulting in an annual cumulative radioactive dose equivalent to 200 chest X-rays.
What’s even more frightening is that polonium-210 in cigarettes was discovered decades ago. Tobacco companies have tried various methods to remove it, including cleaning the leaves, improving filters, and even using genetic modification, but none have been successful in eliminating polonium-210 from tobacco.
Moreover, filters have minimal effect on retaining polonium-210, with ordinary fiber filters only trapping 10% of the total polonium-210 content in tobacco.
Hidden in cigarettes: a deadly source of radiation – Even filters can’t improve it.
(source:internet, reference only)
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