Source NDTV
Lung cancer is often linked to smoking, but the disease is increasingly affecting people who have never smoked. Women and non-smokers are also being diagnosed with lung cancer, raising concerns among doctors and health experts.
While smoking remains one of the biggest causes of lung cancer, experts say several other factors, including air pollution, second-hand smoke and harmful substances in the environment, may increase the risk. This changing pattern shows why lung cancer should no longer be seen only as a smoker’s disease.
Why Are Non-Smokers Developing Lung Cancer?
One of the major reasons behind lung cancer in non-smokers is long-term exposure to polluted air. People living in cities with high pollution levels may breathe harmful particles every day, which can affect their lungs over time.
Other possible risk factors include:
Air pollution: Tiny harmful particles in the air can enter deep into the lungs and increase health risks.
Second-hand smoke: Regular exposure to cigarette smoke from other people can also damage lung health.
Indoor pollution: Smoke from cooking fuels, poor ventilation and certain household pollutants may increase the risk.
Radon gas: This naturally occurring gas can collect inside buildings and increase the chances of lung cancer with long-term exposure.
Workplace chemicals: Exposure to asbestos and certain industrial substances can also contribute to the disease.
Family history: Genetic factors may play a role in some cases of lung cancer among people who have never smoked.
Why Are More Women Being Affected?
Doctors are paying greater attention to lung cancer among women, including those who have never used tobacco.
Some types of lung cancer, particularly adenocarcinoma, are commonly found in non-smokers and can affect women. However, the exact reasons behind the rise in cases are still being studied.
Environmental exposure, genetic factors and hormonal influences may play a role. Researchers are also examining how these factors affect the development of lung cancer in women.
Early Symptoms That Should Not Be Ignored
One of the biggest challenges with lung cancer is that its early symptoms can look like common respiratory problems. As a result, many people may ignore warning signs or delay medical check-ups.
Some important symptoms include:
A cough that does not go away or becomes worse.
Chest pain or discomfort while breathing.
Shortness of breath.
Coughing up blood.
Unexplained weight loss.
Constant tiredness and weakness.
Repeated chest infections.
Having these symptoms does not always mean a person has lung cancer. However, persistent or unusual symptoms should be checked by a doctor.
Can Lung Cancer Be Prevented?
Although not every case of lung cancer can be prevented, people can take steps to reduce their risk.
Avoiding tobacco, staying away from second-hand smoke, improving indoor ventilation and reducing exposure to harmful chemicals are important measures.
People should also pay attention to air quality and use proper safety equipment when working in environments where harmful substances may be present.
Early medical attention is equally important. Doctors may recommend scans or other tests depending on a person’s symptoms and risk factors.
Why Awareness Is More Important Than Ever
The growing number of lung cancer cases among non-smokers and women highlights the need for better public awareness. People should understand that never smoking does not mean they have zero risk of developing the disease.
Doctors say recognising symptoms, understanding environmental risks and seeking medical advice at the right time can make a major difference.
Lung cancer is not limited to smokers. It can affect people from different backgrounds and lifestyles. Better awareness and early diagnosis are important steps towards reducing its impact.
