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American Focus > Blog > Tech and Science > Air Pollution ‘Strongly Associated’ With DNA Mutations Tied to Lung Cancer : ScienceAlert
Tech and Science

Air Pollution ‘Strongly Associated’ With DNA Mutations Tied to Lung Cancer : ScienceAlert

Last updated: July 5, 2025 7:05 am
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Air Pollution ‘Strongly Associated’ With DNA Mutations Tied to Lung Cancer : ScienceAlert
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Lung cancer cases among non-smokers are increasing worldwide, with air pollution potentially playing a significant role. A recent genome study has linked outdoor smog and soot to DNA mutations associated with lung cancer, both in smokers and non-smokers. The more exposure to pollution, the more mutations were found in lung tumors.

Although air pollution is not directly causing lung cancer, it does contribute to the evidence suggesting its potential role in the disease. Non-smokers living in highly polluted areas were more likely to have specific genetic mutations linked to lung cancer, such as TP53 and EGFR mutations, as well as shorter telomeres.

The study compared the cancer genomes of non-smokers with lung cancer to smokers, revealing similarities and differences in the mutations. While secondhand smoke exposure showed minimal impact on genetic mutations, air pollution and tobacco smoking were strongly linked to DNA alterations.

Currently, about 10 to 20 percent of lung cancer cases in the United States are in non-smokers or light smokers. The study highlights the need to further investigate the molecular mechanisms behind air pollution’s contribution to lung cancer development.

The research, published in Nature, underscores the urgent need to address the global problem of lung cancer in never-smokers. The team plans to expand their study to include a more diverse, global cohort to gain a deeper understanding of the issue. The world is constantly changing and evolving, and one of the key drivers of this change is technology. In recent years, we have seen tremendous advancements in various fields, from artificial intelligence to virtual reality. These advancements have not only transformed the way we live and work but also opened up new possibilities for the future.

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One of the most exciting developments in technology is the rise of artificial intelligence (AI). AI refers to the simulation of human intelligence in machines that are programmed to think and learn like humans. This technology has the potential to revolutionize industries such as healthcare, finance, and transportation. For example, AI-powered medical diagnosis systems can help doctors make more accurate diagnoses, while AI-driven financial algorithms can help investors make better decisions.

Another groundbreaking technology is virtual reality (VR), which immerses users in a computer-generated environment. VR has applications in gaming, entertainment, education, and even therapy. For instance, VR therapy is being used to treat phobias and post-traumatic stress disorder by exposing patients to controlled simulations of their fears.

In addition to AI and VR, other emerging technologies such as blockchain and 5G are also shaping the future. Blockchain, the technology behind cryptocurrencies like Bitcoin, is a secure and transparent way to record transactions. It has the potential to revolutionize industries like finance, supply chain management, and healthcare by providing a tamper-proof and decentralized ledger.

5G, the fifth generation of wireless technology, promises faster internet speeds and lower latency, enabling new applications such as self-driving cars, smart cities, and the Internet of Things. With 5G, devices can communicate with each other in real-time, opening up new possibilities for connected and autonomous systems.

As these technologies continue to advance, it is important for society to adapt and prepare for the changes they will bring. This includes addressing ethical concerns around AI, ensuring data privacy and security, and bridging the digital divide to ensure that everyone has access to these transformative technologies.

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Overall, the future looks bright with the continued development and adoption of cutting-edge technologies. By embracing and harnessing the power of AI, VR, blockchain, 5G, and other emerging technologies, we can create a more connected, efficient, and innovative world for generations to come.

TAGGED:AircancerDNAlungmutationsPollutionScienceAlertstronglytied
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