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'Safe' levels of carbon monoxide may still be dangerous


Data from 337 cities across 18 countries show that even slight increases in ambient carbon monoxide levels from automobiles and other sources are associated with increased mortality.
Researchers analyzed data, including a total of 40 million deaths from 1979 to 2016, and ran it through a statistical model.
The research in
The Lancet Planetary Health also shows that even short-term exposure to ambient carbon monoxide (CO) at levels below the current air quality guidelines and considered safe had an association with increased mortality.
Overall, a 1 mg/m³ increase in the average CO concentration of the previous day was associated with a 0.91% increase in daily total mortality, the study finds. This suggests reducing ambient CO concentrations through stricter control of traffic emissions and other measures could achieve considerable public health benefits. ....

Kai Chen , London School Of Hygiene Tropical Medicine , Collaborative Research Network , Yale School Of Public Health , Lancet Planetary Health , Us National Ambient Air Quality Standard , Ambient Air Quality Standard , Yale School , London School , Multi Country City , Collaborative Research , கை சென் , லண்டன் பள்ளி ஆஃப் சுகாதாரம் வெப்பமண்டல மருந்து , கூட்டு ஆராய்ச்சி வலைப்பின்னல் , யேல் பள்ளி ஆஃப் பொது ஆரோக்கியம் , எங்களுக்கு தேசிய சுற்றுப்புற அேக தரம் தரநிலை , சுற்றுப்புற அேக தரம் தரநிலை , யேல் பள்ளி , லண்டன் பள்ளி , கூட்டு ஆராய்ச்சி ,

Even "Safe" Ambient CO Levels May Harm Health, Yale Study Finds Yale School of Public Health