Pulmonologist reveals if you can get lung cancer even when you have never smoked in your life: ‘20% cases happen in…'

Up to 20% of lung cancer cases occur in non-smokers, pulmonologist Dr Goel cautions. Symptoms like a persistent cough or chest pain should raise alarm.
According to the Centres for Disease Control and Prevention (CDC), smoking not only causes cancer, but it also blocks your body from fighting it by weakening the immune system, leading to the cancer cells continuing to grow without being stopped.
Doctors have known for years that smoking causes most lung cancers. But does quitting this deadly habit save you from the risk of getting lung cancer? In an August 19 Instagram post, Dr Sonia Goel, chest specialist and pulmonologist, talked about the risk of getting cancer in the lungs even when you don't smoke.
Can you get lung cancer if you are a non-smoker?
The pulmonologist stressed that if you believe lung cancer is only a smoker’s disease, it is time you think again. Answering the important question of whether you can get lung cancer without smoking, she answered: “Yes, and it is more common than you think.”

According to the lung expert, up to 20 percent of lung cancer cases happen in people who’ve never smoked. The pulmonologist stressed that if you’re experiencing persistent cough, breathlessness, or chest pain, it is always better to get checked. As for the risk factors, she revealed that they include:
- Air pollution
- Secondhand smoke
- Family history and genetics
- Workplace exposure to chemicals (like asbestos or radon)
What can you do to prevent lung cancer?
Revealing what one can do to prevent lung cancer or reduce the risk, the pulmonologist said:
- Quit smoking (and avoid secondhand smoke): the number 1 cause of lung cancer.
- Eat a nutrient-rich diet, including fruits, veggies, and whole grains, to protect lung health.
- Staying active and maintaining a healthy weight boosts immunity and lung function.
- Reduce exposure to pollutants and carcinogens. Wear masks in pollution, avoid asbestos, radon, and workplace toxins.
Lastly, the expert cautioned, “Lung cancer doesn't always come with a warning. Get evaluated if you have ongoing symptoms - even if you've never smoked.”
Note to readers: This article is for informational purposes only and not a substitute for professional medical advice. Always seek the advice of your doctor with any questions about a medical condition.
This report is based on user-generated content from social media. HT.com has not independently verified the claims and does not endorse them.
ABOUT THE AUTHORKrishna Pallavi PriyaKrishna Priya Pallavi is a journalist with over 9 years of experience, covering health, fashion, pop culture, travel, wellness, entertainment, festivals, mental health, art, decor, fitness, and sex and relationships. She is an alumna of the Indian Institute of Mass Communication (IIMC), Dhenkanal, and holds an undergraduate degree in Journalism and Mass Communication from Guru Gobind Singh Indraprastha University, Delhi. Her strong academic foundation informs her analytical and detail-oriented approach to storytelling, helping her uncover stories where none seem to exist. Before joining Hindustan Times, Pallavi worked with some of India’s leading media organisations. She spent close to three years at India Today, where she honed her newsroom skills and developed a sharp editorial sensibility. She also worked for over a year and a half at Vagabomb, ScoopWhoop’s feminist digital platform, where she explored stories through a gender-sensitive, socially aware lens. Pallavi has a deep interest in global fashion trends and international fashion seasons, and enjoys interviewing celebrities and tracking pop culture movements—interests that frequently translate into engaging, reader-friendly stories. Alongside lifestyle and entertainment, she has a keen eye for impactful health and wellness journalism, regularly interacting with doctors, designers, and digital content creators to bring nuance and credibility to her work. Born and raised in Haryana, Pallavi remains deeply connected to her ancestral roots in Odisha. Her ability to spot fresh angles brings curiosity and depth to stories she pursues. When not chasing deadlines, she enjoys spending time with her dog, planning her next vacation, reading, running new trails, and discovering new destinations.Read More
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