is smoking cigarettes bad when your pregnant a woman smokes during pregnancy, her fetus exposed to many harmful chemicals. Reference: https://www.acog.org/womens-health/faqs/ tobacco-alcohol-drugs-and-pregnancy Cigarette Smoking Among Pregnant Women

10.1161/CIRCRESAHA.117.311586 Summary Keywords electronic cigarettes, nicotine, heart failure, cardiovascular disease, atherosclerosis Citation Espinoza-Derout J, Shao XM, Lao CJ, Hasan KM, Rivera JC, Jordan MC, Echeverria V, Roos KP, Sinha-Hikim AP and Friedman TC (2022) Electronic Cigarette Use and the Risk of Cardiovascular Diseases

As well as protecting your brain, heart and lungs, stopping smoking has another benefit you may not have thought of it can actually aid your ear health

The carbon monoxide level in your blood decreases within about 12 hours

Remember, of the more than 7000 chemicals in one cigarette, at least 70 of them are known to cause cancer

But some studies provide early evidence that vaping while under the weather substantially raises pneumonia risk: A 2020 case study described a teen hospitalized with pneumonia after vaping weed while sick with Covid symptoms

Wood dust and formaldehyde