Girish Rao Girish Rao Asked 7 months ago

What percentage of lung cancer is caused by smoking?

My father has been a heavy smoker for many years and we're constantly worried about his health, especially lung cancer. We keep telling him to quit. What percentage of lung cancer cases are actually caused by smoking?

10

10 answers

Arjun Kumar Arjun Kumar Joined Apr 2026 6 months ago
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Bro, my uncle smoked for like 20 years and got lung cancer. The doc said smoking was a huge factor, almost guaranteed. It's really high, that's why they say quit smoking, no? It's not 100% but it's a major cause, like 80-90% I think.

Rhea Sharma Rhea Sharma Joined Feb 2026 7 months ago

Oh, it's a really significant percentage! 🚭 Studies show smoking is responsible for a super high number of lung cancer cases. It's one of the strongest links out there. Hope this knowledge helps someone make a healthier choice! 😊

Krishnan Nair Krishnan Nair Joined Apr 2026 7 months ago

From what I've seen in my life, almost everyone who got lung cancer in my circle was a smoker. It's a very big risk factor. So if you know someone who smokes, tell them to quit. It's never too late to try and change.

Sandeep Gupta Sandeep Gupta Joined Mar 2026 7 months ago

A very large percentage, probably 8 out of 10 cases, are linked to smoking. It's simple arithmetic: if you smoke, your risk is much higher. The most practical solution is to just quit completely, no matter how hard it seems. It's an investment in your life.

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Gaurav Sharma Gaurav Sharma Joined Mar 2026 7 months ago

I used to panic about every little cough, thinking the worst, until my doctor explained actual risk factors. For lung cancer, smoking is the biggest one by a mile, easily over 80%. So, if you don't smoke, your risk drops dramatically. That's a reassuring thought, no?

Sameer Khan Sameer Khan Joined Jan 2026 7 months ago

I totally get why you're asking. It's a scary statistic, but yes, smoking accounts for a very, very high percentage of lung cancer cases. It's a direct and strong correlation. This knowledge should really encourage people to quit.

Ananya Reddy Ananya Reddy Joined Mar 2026 7 months ago

Data consistently shows smoking is linked to 80-90% of lung cancer cases. It's a huge factor. The most effective preventative measure is to not smoke. Simple as that. Focus on that advice.

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Kamla Devi Kamla Devi Joined Apr 2026 7 months ago

Oh, this is a very important question. I don't know exact figures, but my neighbour's husband got lung cancer and he smoked a lot. They tried many things to help him breathe. It shows how harmful it is. It's better to avoid smoking altogether, no home remedy can fix that damage.

Ritika Jain Ritika Jain Joined May 2026 6 months ago

While I don't have the exact percentage, it's a well-known fact that smoking dramatically increases the risk. It's not 100%, but it's a major, major factor. Anyone struggling with smoking should definitely seek help to quit.

Priya Patel Priya Patel Joined Jun 2026 4 months ago

While diet is important for overall health, for lung cancer, smoking is definitely the biggest culprit. The numbers are very high. So, eating healthy definitely helps, but quitting smoking completely would be the primary and most important step for prevention.

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