Key Steps to a Healthy Life: Age and Benefits of Quitting SmokingBefore reading the article, please click "Follow" to facilitate discussion and sharing. Your support is the biggest motivation for my creation, let us encourage together! 
Smoking is an extremely common bad habit and a major preventable cancer factor worldwide. In this article, we will delve into the strong association between smoking and cancer, and uncover the health risks and fatal consequences of smoking. Whether you're a smoker or a non-smoker, this information will take your attention and help you better understand the health risks of smoking.
Smoking has been widely confirmed by the scientific community as one of the leading risk factors for cancer. Studies have shown that smoking is closely associated with a variety of cancers, including lung cancer, oral cancer, esophageal cancer, pancreatic cancer, bladder cancer, etc. In fact, the World Health Organization (WHO) states that smoking is the leading cause of more than one-third of cancer deaths worldwide.
Lung cancer is closely linked to smoking
Lung cancer is one of the most common health problems of smoking. Studies have shown that the harmful chemicals in smoking smoke can enter the lungs directly and trigger the development of cancer. Smoking exposes lung cells to prolonged exposure to carcinogens, leading to genetic mutations in cells, which increases the risk of lung cancer.
In fact, smokers have more than 20 times the risk of lung cancer than non-smokers. This number is enough to illustrate the direct impact of smoking on lung cancer. Therefore, smokers and potential smokers are reminded that quitting smoking is one of the most effective measures to prevent lung cancer.
The link between other cancer types and smoking
In addition to lung cancer, smoking is also strongly associated with many other cancer types. For example, smoking not only increases the risk of upper respiratory tract cancers such as oral cancer, laryngeal cancer, and esophageal cancer, but also increases the risk of pancreatic cancer and bladder cancer.
Studies have found that the harmful substances in tobacco can have toxic effects on human cells when they enter the body, damaging genes and disrupting normal cell growth and processes. This leads to the development and worsening of cancers, making smokers more susceptible to developing these cancers.
Risks of passive smoking
Not only the smokers themselves, but passive smoking is also a health issue that cannot be ignored. Passive smoking is when a non-smoker is exposed to smoker smoke and inhales secondhand smoke containing harmful chemicals. In fact, passive smoking also increases the risk of cancer.
Unfortunately, pregnant women, children, and people who are chronically exposed to secondhand smoke are vulnerable to damage from secondhand smoke. Long-term exposure to secondhand smoke increases the risk of diseases such as leukemia, brain tumors, respiratory infections and asthma in these populations.
Conclusion:
The strong link between smoking and cancer is well documented. Both smokers and non-smokers should be vigilant about the health risks of smoking. Quitting smoking not only reduces the risk of cancer, but also greatly improves overall health. For the sake of your own health and the health of others, stay away from tobacco and actively spread a healthy lifestyle, and work together to reduce the cancer caused by smoking!
We hope you find this article enlightening and encourage more people to pay attention to the strong relationship between smoking and cancer, and take proactive action to protect their own health and the health of others.
Please note that the information provided in this article is for informational purposes only, and for more information on the relationship between smoking and cancer, please consult a medical professional or relevant professional body.