damage cigarettes can cause Health effects of smoking tobacco YouTube

YouTube Many people think smoking only affects the lungs later in life, but the damage actually starts from the very first few cigarettes., When you smoke, the chemicals in the smoke irritate your airways and The harmful chemicals in smoking directly damage lung cells, causing DNA mutations that increase cancer risk. Over time, these damaged cells grow abnormally, leading to tumor formation in the lungs. Quitting smoking Smoking a pack of cigarettes a day damages your lung cells in 150 ways Health

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