Cigarettes Harm the Health of Your Respiratory Tract

Nicotine Has Harmful Effects on Your Body

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4. Nicotine Has Harmful Effects on Your Body

Nicotine raises your heart rate, which over time makes your heart work harder than it should. It causes your blood vessels to constrict, which results in poor circulation — particularly in the small blood vessels throughout your body.

Constricted blood vessels also contribute to the development of high blood pressure. Hypertension and poor blood vessel health create heart disease, stroke, and circulatory problems of the extremities, kidneys and other organs.

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