JAKARTA - Until now, many people think that lung cancer is only experienced by smokers. In the medical world, cases of lung cancer in individuals who do not smoke are also quite common. This understanding is important so that the symptoms that appear are not ignored just because they feel that they are not a group at risk.

This was revealed by dr. Ryan Ardian Saputra, Sp.PD, Subsp. H.Onk.M (K), Internal Medicine Specialist - Medical Hemato Oncology Consultant at EMC Alam Sutera & Tangerang Hospital.

"Lung cancer is not always directly related to smoking habits. In non-smokers, environmental factors, exposure to harmful substances, to genetic factors can still trigger the occurrence of this disease," said Dr. Ryan Ardian, quoted from the EMC Healthcare website.

Causes of Lung Cancer in Non Smokers

Although cigarettes are the main factor, there are various other causes that can increase the risk of lung cancer, including:

1. Exposure to Cigarette Smoke (Passive Smokers)

People who don't smoke but often inhale cigarette smoke are still at risk. Long-term exposure can trigger cell changes in the lungs.

2. Air Pollution

Poor air quality, especially in the long term, plays a role in increasing the risk. Small particles in the air can enter the lungs and cause chronic inflammation.

3. Working Environment with Hazardous Substances

Exposure to materials such as asbestos, radon, or heavy metals at work can increase the risk of lung cancer. Therefore, regular health checks are highly recommended for workers in high-risk environments.

4. Hereditary Factor

Family history of cancer can make a person more susceptible, even if they don't have a smoking habit.

5. Chronic Lung Disease

Conditions of the lungs that experience prolonged inflammation, for example due to long-term infections, can also be a trigger later.

Symptoms to Watch Out For

In non-smokers, symptoms of lung cancer are often not typical, especially in the early stages. Some signs that should not be ignored include:

- Prolonged cough

- Cough with blood

- Shortness of breath

- Pain in the chest area

- Weight loss without obvious cause

- Easily feel tired

Because they don't feel at risk, many people are late in checking themselves. This is the importance of increasing awareness of this condition.

The Importance of Early Examination

Detection in the early stages provides better treatment opportunities. If symptoms do not improve or even worsen, a medical evaluation should be performed immediately.

The examination may include:

- Physical examination by a doctor

- X-ray or CT scan

- Further examination as needed

Not smoking is a big step to maintain lung health. However, this does not mean that the risk is zero. The best attitude is to remain vigilant without excessive anxiety, recognize symptoms, and do not delay examination if the complaint lasts a long time.

If you experience respiratory disorders that do not improve or have certain concerns, consulting a medical professional can help get the right assessment and the appropriate treatment steps.


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