1. The number of smokers is increasing. Non-smokers can also become addicted after vaping. If the number of smokers increases significantly, ald vape ，they may become addicted to e-cigarettes.

2. Fatigue and lethargy. Because nicotine has a stimulating effect on the brain, it keeps the brain in a state of excitement for a long time. Once you quit smoking, you will feel tired and lethargic.

3. Decreased appetite. The nicotine in e-cigarettes can stimulate the gastrointestinal mucosa to a certain extent, so it may reduce digestive function and reduce appetite.

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