e-cigs can have the same cancer causing chemicals as cigarettes. Is Vaping Better Than Smoking? Chemicals
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It raises blood pressure and heart rate, spikes adrenaline levels, and contributes to arterial stiffness

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Rani A, Kumar A, Lal A, et al
According to the Centers for Disease Control and Prevention (CDC), some notable symptoms of nicotine withdrawal include: Having cravings or urges to smoke cigarettes Feeling grouchy, irritated, or upset Feeling restless Having difficulty concentrating Having trouble sleeping Feeling hungrier or gaining weight Feeling anxious, sad, or depressed You may think of smoking cigarettes just to get rid of these withdrawal symptoms, especially if you depend heavily on nicotine to overcome negative emotions or simply want to relax a little bit after hours of working, socializing, and so on

Nicotine pouches are considered a less harmful alternative to cigarettes because they dont involve combustion or inhalation of harmful chemicals
