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Holiday Turbulence: Flight Delays Hit Major Canadian Airports on Boxing Day

  Passengers wait in a check-in line at Vancouver International Airport after a snowstorm crippled operations during the holidays in 2022.   Travelers across Canada are facing a challenging Boxing Day as major airports report widespread delays and cancellations triggered by winter weather and heavy post‑holiday traffic. With thousands of passengers returning home or heading out for year‑end vacations, the timing couldn’t be more disruptive. Toronto Pearson, the country’s busiest airport, is experiencing the most significant impact. A mix of snow, freezing drizzle, and strong winds has slowed de‑icing operations and reduced runway capacity. Long lines at security and check‑in counters are adding to the congestion, with some travelers reporting wait times stretching beyond an hour. Ottawa, Montreal, and Vancouver airports are also dealing with delays, though to varying degrees. In Eastern Canada, Halifax is managing a combination of fog and residual holiday traffic, while air...
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Understanding the Causes of Lung Cancer: Beyond Smoking

 

Lung cancer is a significant health concern worldwide, often associated with smoking. However, it’s important to recognize that smoking is not the only cause of this disease. Here, we explore various factors contributing to lung cancer.

Smoking and Lung Cancer

Smoking remains the leading cause of lung cancer, responsible for about 80% of lung cancer deaths. The harmful chemicals in tobacco smoke damage lung tissue, leading to cancerous changes over time. Even exposure to secondhand smoke can increase the risk of developing lung cancer.

Non-Smoking Related Causes

  1. Radon Exposure: Radon is a radioactive gas found naturally in the environment. It can accumulate in homes and buildings, posing a significant risk for lung cancer.
  2. Air Pollution: Long-term exposure to polluted air, especially in urban areas, can increase the risk of lung cancer. Pollutants such as diesel exhaust and industrial emissions are particularly harmful.
  3. Asbestos and Other Carcinogens: Occupational exposure to asbestos, a material used in construction and manufacturing, is a well-known risk factor. Other workplace chemicals, such as arsenic and certain organic compounds, also contribute to lung cancer risk.
  4. Genetic Factors: Genetics can play a role in lung cancer development. Some people may inherit genetic mutations that increase their susceptibility to the disease.

Symptoms and Early Detection

Early symptoms of lung cancer can include a persistent cough, chest pain, shortness of breath, and unexplained weight loss. Early detection through screening, especially for high-risk individuals, can significantly improve treatment outcomes.

Prevention and Risk Reduction

  • Quit Smoking: The most effective way to reduce lung cancer risk is to quit smoking. The benefits of quitting begin almost immediately and continue to grow over time.
  • Test for Radon: Homeowners should test for radon and take necessary steps to reduce high levels.
  • Avoid Carcinogens: Minimize exposure to known carcinogens at work and in the environment.
  • Healthy Lifestyle: Maintaining a healthy diet and regular exercise can support overall lung health.

Understanding the diverse causes of lung cancer is crucial for prevention and early intervention. By addressing both smoking and non-smoking related risks, we can work towards reducing the incidence of this serious disease.


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