No smoke, still fire: The rising threat of lung cancer for non-smokers

In a world where we’ve grown accustomed to hearing about the dangers of smoking, another unexpected health risk is beginning to rise. It’s a threat that doesn’t discriminate between smokers and non-smokers, yet its presence is often invisible. As new research unfolds, we may find that something we all encounter every day could be playing a key role in lung cancer’s rising rates.

Recent findings published in The Lancet Respiratory Medicine journal have revealed a concerning trend. Among the four primary types of lung cancer—adenocarcinoma, squamous cell carcinoma, small-cell carcinoma, and large-cell carcinoma—adenocarcinoma is now the most prevalent form in both men and women who have never smoked.

Air pollution could tell a different story—affecting nearly 200,000 lives globally. Image Source: SD-Pictures / Pixabay

This particular type of lung cancer is responsible for a staggering 53 to 70 per cent of cases worldwide in non-smokers. The data points to a worrying possibility: air pollution could be stepping into the role tobacco once held as a leading cause of lung cancer.

The study’s findings are particularly relevant for eastern Asia and China, regions that have been grappling with significant air quality issues. The researchers’ statement highlights the gravity of the situation: ‘Lung cancer in never-smokers is estimated to be the fifth leading cause of cancer-related mortality worldwide, occurring almost exclusively as adenocarcinoma and most commonly in women and Asian populations.’

The statistics are sobering. Nearly 200,000 cases of adenocarcinoma have been linked to air pollution exposure. And while historically more men have been diagnosed with lung cancer, women are rapidly catching up. In 2022, there were 1.6 million men diagnosed compared to nearly 910,000 women.

Lung cancer remains the deadliest cancer globally, and these new findings emphasise the need for vigilance and action. The authors of the study call for ongoing monitoring of lung cancer risk changes and further research into potential causes, such as air pollution, in populations where smoking is less prevalent.

With air pollution emerging as a significant concern, raising awareness can make a difference. Have you noticed changes in the air quality where you live? What steps do you take to ensure cleaner, safer air in your environment? Have you or someone you know experienced health issues linked to air pollution despite a non-smoking lifestyle? Join the conversation in the comments below and help us spread awareness.

Also read: Can I get lung cancer if I’ve never smoked?

Abegail Abrugar
Abegail Abrugar
Abby is a dedicated writer with a passion for coaching, personal development, and empowering individuals to reach their full potential. With a strong background in leadership, she provides practical insights designed to inspire growth and positive change in others.

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