what cigarettes do to your lungs Smoker's vs. healthy lungs: Facts, pictures, and more How smoking affects you |

Smoking can lead to respiratory problems such as chronic bronchitis, emphysema, and asthma

Together, these findings indicate that smoking even a small number of cigarettes per day has substantial negative health effects and provide further evidence that smoking cessation benefits all smokers, regardless of how few cigarettes they smoke. About the National Cancer Institute (NCI): NCI leads the National Cancer Program and the NIHs efforts to dramatically reduce the prevalence of cancer and improve the lives of cancer patients and their families, through research into prevention and cancer biology, the development of new interventions, and the training and mentoring of new researchers

From 2019 to 2021, life expectancy in the United States declined by 2.7 years the largest two-year drop since the 1920s with much of this decline attributed to COVID-19 deaths

While its still rather mild, its quite a different experience from the two previous entries