Im smoking 4 cigarettes per day since 4months. will I get lung cancer?

actually, I'm an occasional smoker for 1 year. I smoke 1 cigar per 3 days. but from the past 4 months, I feel like more stressed as my gf left me, and I started to smoke 4 cigars per day. now in getting afraid of lung cancer. do I really get lung cancer. are there any ways to prevent it. I don't... show more actually, I'm an occasional smoker for 1 year. I smoke 1 cigar per 3 days. but from the past 4 months, I feel like more stressed as my gf left me, and I started to smoke 4 cigars per day.

now in getting afraid of lung cancer. do I really get lung cancer. are there any ways to prevent it.

I don't know whether I can quit smoking or not. I have tried nicorette chewing gums, but they have a lot of burning sensation in my throat.

please guide me.
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