carcinogens in tobacco products Smoking is hazardous to our health. Tobacco has at least 70 known cancer-causing chemicals that can cause heart diseases, lung diseases, & other serious health problems. Also, it is known that Tobacco carcinogens, their biomarkers and
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![PDF] Effects of smoking on heart rate at rest and during submaximal exercise, heart rate recovery and blood pressure in young adults](https://figures.semanticscholar.org/ee4596c50e727a895beaf93d86df2a7f8e7397a9/6-Figure12-1.png)







