is smoking 2 cigarettes a day bad How Many Do You Need to Smoke to Get Cancer? Light Smoker vs. Heavy Smoker:

And then when my personal life got out of hand, I just got loaded

Moreover, evidence indicates that TS promotes AP-1 activity in several cell types [108,109,110]

EQ I Give Di Herbs 417

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The data is clear: Nicotine activates POMC neurons, reducing hunger (Mineur et al., 2011) Nicotine raises energy expenditure ~10% (Hofstetter et al., 1986) Quitting nicotine causes ~4.67 kg weight gain at 12 months (Aubin et al., 2012) 80% of quitters gain weight (Aveyard et al., 2012) NRT delays but doesn't prevent post-quit weight gain (Farley et al., 2012) Vaping doesn't "make you lose weight." Nicotine does modestly, temporarily, and at a cost that includes physical dependence, cardiovascular stress, and inevitable weight rebound when you stop

It can happen to any person and can be dangerous if not treated, although the symptoms are milder for some than others