how harmful is smoking cigarettes Health effects of tobacco Cigarettes: the hard truth |

Cigarettes: the hard truth Canadian Cancer Society Cigarette smoke contains thousands of chemicals, many of which are toxic and harmful to the human body. Here's a detailed breakdown of some of the most dangerous constituents and their effects: 1. What's in a cigarette? Smoking BBC Bitesize Let's talk about cigarette smoking Cigarettes might seem harmless or social, but they can seriously harm your lungs, heart, and overall health. Even a little can make a big difference No Safe Level of Smoking NCI

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