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Explore More: Air Quality, Quit Smoking By The Numbers 24 percent of Mexican American-nonsmokers are exposed to secondhand smoke

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Nicotine withdrawal can be uncomfortable and cause the following symptoms: Irritability and restlessness Headaches Sweating Lowered mood Anxiety Tiredness or grogginess Trouble concentrating and thinking clearly Increased appetite and hunger Sleep disturbances or trouble sleeping Intense cravings for nicotine and e-cigarettes [10]

But recent Canadian research provides fresh insights into why it's so difficult to quit and points to an innovative way to help smokers butt out once and for all

But after NRT, you may come back here wondering how to get off nicotine gum