cigarette smoking pics U.S. rate hits an all-time low—but there's still work to do Light Smokers May Not Escape

It can make asthma harder to manage

Smoking also causes diabetes, chronic obstructive pulmonary disease (COPD), emphysema, and chronic bronchitis, among other health problems

This reduces the risk of infections developing Two months for the immune system to start recovering, so your body can fight off any incoming infections Six months for the lungs to produce less phlegm, which will make it easier to breathe One year for the lungs to be considered much healthier and more efficient Five years for a woman's risk of cervical cancer to become identical to someone who has never smoked Ten years for the risk of lung cancer to be lower than a current smoker

Essentially, it converts AQI back to PM. concentration using EPA formulas (like the AirNow converter) and then uses research findings to equate that PM. level to cigarettes