According to the article, how many chemicals are found in tobacco smoke on average, how many are known to be toxic, and how many have been linked to cancer? What are health problems associated with smoking?

1. Tobacco smoke is made up of thousands of chemicals, including at least 70 known to cause cancer.

2. There are many results of smoking. Smoking damages your heart and your blood circulation, increasing the risk of conditions such as coronary heart disease, heart attack, stroke, peripheral vascular disease (damaged blood vessels) and cerebrovascular disease (damaged arteries that supply blood to your brain).

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Smoking causes cancer, heart disease, stroke, lung diseases, diabetes, and chronic obstructive pulmonary disease (COPD), which includes emphysema and chronic bronchitis. Smoking also increases risk for tuberculosis, certain eye diseases, and problems of the immune system, including rheumatoid arthritis

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