Lung Cancer

Lung cancer is characterized by abnormal cell growth in the lungs commonly caused by smoking. Lung cancer is the leading cause of cancer-related deaths in the world.

500 Questions

Lung cancer percentages with men and woman?

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The incidence of lung cancer can vary between men and women. Historically, lung cancer has been more commonly associated with men, particularly due to higher rates of smoking among men in past decades. However, the trend has been changing, and the gap between lung cancer rates in men and women has been narrowing.

As to recent statistics, the American Cancer Society provides the following estimates for new lung cancer cases in the United States:

Men: About 59% of new lung cancer cases are diagnosed in men.

Women: Approximately 41% of new lung cancer cases are diagnosed in women.

These numbers reflect a significant decrease in the gender disparity compared to previous years, largely attributed to changes in smoking patterns. While smoking remains a leading risk factor for lung cancer, other factors such as exposure to secondhand smoke, environmental pollutants, and genetic factors also play a role in lung cancer development.

It's important to note that these percentages can vary by region and population demographics, but overall, lung cancer is a significant health concern for both men and women. Early detection through screening programs and adopting healthy lifestyle choices can help reduce the risk of lung cancer and improve outcomes for those affected by the disease.

What are the common symptoms and causes of lung cancer?

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Lung cancer can present with various symptoms, and the specific symptoms experienced can depend on factors such as the type of lung cancer, its location within the lungs, and whether it has spread to other parts of the body (metastasized). Common symptoms of lung cancer include:

Persistent Cough: A chronic cough that doesn't go away or worsens over time is a common symptom of lung cancer. The cough may produce blood (hemoptysis) or sputum (phlegm) that may be bloody or rust-colored.

Shortness of Breath: Difficulty breathing or shortness of breath, which may occur even with minimal physical exertion, can be a symptom of lung cancer. This symptom may arise due to the tumor obstructing the airways or fluid buildup around the lungs.

Chest Pain: Persistent chest pain, discomfort, or tightness may occur in individuals with lung cancer. The pain may worsen with deep breathing, coughing, or laughing and may be dull, achy, or sharp.

Wheezing or Hoarseness: Wheezing, hoarseness, or changes in voice quality may occur due to obstruction or compression of the airways by the tumor.

Unexplained Weight Loss: Significant and unexplained weight loss, often associated with loss of appetite and fatigue, can be a symptom of advanced lung cancer.

Fatigue: Persistent fatigue, weakness, or lack of energy may occur in individuals with lung cancer, which can be related to the cancer itself or secondary to other symptoms such as anemia or sleep disturbances.

Difficulty Swallowing: Difficulty swallowing (dysphagia) or a feeling of food getting stuck in the throat may occur if the cancer has spread to the esophagus.

Bone Pain: Pain in the bones, particularly in the back, hips, or ribs, may occur if the cancer has spread (metastasized) to the bones.

Neurological Symptoms: Neurological symptoms such as headache, weakness or numbness in the limbs, dizziness, or seizures may occur if the cancer has spread to the brain or spinal cord.

Jaundice: Yellowing of the skin and eyes (jaundice) may occur if the cancer has spread to the liver.

Causes of lung cancer primarily involve exposure to carcinogens (substances that can cause cancer). The most significant risk factor for lung cancer is smoking, including both active smoking and exposure to secondhand smoke. Other risk factors for lung cancer include:

Exposure to Radon: Radon gas, a naturally occurring radioactive gas that can accumulate in buildings, is a significant risk factor for lung cancer.

Exposure to Asbestos: Occupational exposure to asbestos, particularly in industries such as construction, shipbuilding, and mining, increases the risk of lung cancer.

Exposure to Other Carcinogens: Exposure to other carcinogens such as arsenic, chromium, nickel, diesel exhaust, and certain chemicals used in manufacturing may increase the risk of lung cancer.

Family History: A family history of lung cancer may increase an individual's risk of developing the disease, although the contribution of genetic factors to lung cancer risk is less well understood compared to other cancers.

It's important to note that while these risk factors can increase the likelihood of developing lung cancer, not everyone exposed to these factors will develop the disease. Additionally, lung cancer can occur in individuals without any known risk factors. Early detection through screening and avoiding exposure to known carcinogens are essential for reducing the risk of lung cancer and improving outcomes for individuals with the disease.

How long does it take for you to get infected with lung cancer?

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Asked by Wiki User

The development of lung cancer is a complex process influenced by various factors, and there isn't a specific timeframe for someone to "get infected" with lung cancer. Lung cancer typically develops over years to decades, and several factors contribute to the risk of its development:

Tobacco Smoking: Smoking is the leading cause of lung cancer. The longer and more heavily someone smokes, the higher their risk of developing lung cancer. However, even short-term exposure to tobacco smoke can increase the risk.

Secondhand Smoke: Exposure to secondhand smoke is also a risk factor for lung cancer, albeit at a lower level compared to direct smoking.

Environmental Exposures: Prolonged exposure to certain environmental carcinogens, such as asbestos, radon, and certain chemicals, can contribute to lung cancer.

Genetics: Some individuals may have a genetic predisposition that makes them more susceptible to lung cancer, especially in the presence of other risk factors.

Occupational Hazards: Certain occupations, such as those involving exposure to asbestos, coal, or diesel exhaust, may increase the risk of lung cancer.

Air Pollution: Long-term exposure to high levels of air pollution can be a contributing factor.

How does the lung cancer affects organisms?

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Lung cancer can have a profound impact on the human body and overall health, affecting various organs and systems in the organism. The effects of lung cancer can be wide-ranging and depend on factors such as the type and stage of the cancer, as well as individual characteristics and overall health status. Here are some ways in which lung cancer can affect organisms:

Respiratory System:

Lung tumors can obstruct the airways, leading to symptoms such as coughing, wheezing, shortness of breath, and chest pain.

Cancerous growths in the lungs can impair lung function, reducing the ability to inhale and exhale air effectively and leading to respiratory distress.

Cardiovascular System:

Lung cancer can increase the risk of blood clots, particularly in the veins of the legs (deep vein thrombosis) or the lungs (pulmonary embolism).

Certain types of lung cancer may produce substances that affect blood clotting and increase the risk of cardiovascular complications.

Immune System:

Lung cancer can weaken the immune system, making individuals more susceptible to infections and other illnesses.

Cancerous tumors may produce substances that suppress the immune response, allowing cancer cells to evade detection and destruction by the immune system.

Metabolic Function:

Advanced lung cancer can lead to cachexia, a wasting syndrome characterized by unintentional weight loss, muscle wasting, fatigue, and weakness.

Cancer-related metabolic changes can affect energy levels, appetite, and nutrient absorption, leading to nutritional deficiencies and overall decline in health.

Skeletal System:

Lung cancer that metastasizes (spreads) to the bones can cause bone pain, fractures, and other skeletal complications.

Metastatic tumors in the bones may weaken bone structure and increase the risk of fractures, particularly in weight-bearing bones such as the spine, hips, and legs.

Central Nervous System:

Metastatic lung cancer can spread to the brain, causing symptoms such as headaches, seizures, weakness, changes in cognition, and neurological deficits.

Brain metastases can impair cognitive function and quality of life, leading to significant neurological symptoms and complications.

Overall Health and Well-Being:

Lung cancer can have a profound impact on overall health and well-being, affecting physical, emotional, and social aspects of life.

Symptoms such as pain, fatigue, anxiety, depression, and loss of independence can significantly impact quality of life for individuals with lung cancer and their caregivers.

In summary, lung cancer can affect various organs and systems in the organism, leading to a range of symptoms and complications that can impact overall health and well-being. Early detection, prompt treatment, and comprehensive supportive care are crucial for optimizing outcomes and quality of life for individuals affected by lung cancer.

Can lung cancer cause pneumonia?

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Lung cancer itself doesn't directly cause pneumonia, but it can increase the risk of developing pneumonia for several reasons:

Weakened Immune System: Lung cancer and its treatments can weaken the immune system, making individuals more susceptible to infections like pneumonia.

Tumor Obstruction: Lung cancer tumors can obstruct airways, impairing the ability to clear mucus from the lungs effectively. This can create an environment conducive to bacterial growth and increase the risk of pneumonia.

Compromised Lung Function: Lung cancer can compromise lung function, leading to conditions such as atelectasis (collapsed lung), which can contribute to the development of pneumonia.

Chemotherapy and Radiation Therapy: Treatments for lung cancer, such as chemotherapy and radiation therapy, can weaken the immune system and cause inflammation in the lungs, making individuals more susceptible to infections like pneumonia.

In summary, while lung cancer itself doesn't directly cause pneumonia, it can increase the risk of developing pneumonia due to its effects on the immune system, lung function, and the side effects of cancer treatments. It's essential for individuals with lung cancer to monitor their respiratory health closely and seek prompt medical attention if they develop symptoms of pneumonia.

How can you get lung cancer not smoking?

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Lung cancer can develop in individuals who have never smoked, and there are several factors that can contribute to the development of lung cancer in non-smokers. Here are some common causes and risk factors for lung cancer in non-smokers:

Secondhand Smoke (Passive Smoking): Exposure to secondhand smoke, also known as passive smoking, increases the risk of lung cancer. Non-smokers who live with or are regularly exposed to smokers may inhale carcinogens present in tobacco smoke.

Radon Exposure: Radon is a naturally occurring radioactive gas that can enter homes through the ground. Prolonged exposure to elevated levels of radon is a significant risk factor for lung cancer, and it can affect both smokers and non-smokers.

Occupational Exposure: Some workplaces expose individuals to carcinogens, such as asbestos, arsenic, and certain industrial chemicals. Workers in occupations like construction, mining, and manufacturing may face an increased risk of lung cancer due to occupational exposures.

Air Pollution: Long-term exposure to high levels of air pollution, including particulate matter and other pollutants, has been linked to an increased risk of lung cancer in non-smokers.

Genetic Factors: Certain genetic factors may contribute to an individual's susceptibility to lung cancer. In some cases, a family history of lung cancer may increase the risk for non-smokers.

Pre-existing Lung Diseases: Individuals with pre-existing lung conditions, such as chronic obstructive pulmonary disease (COPD), pulmonary fibrosis, or lung infections, may have an elevated risk of developing lung cancer.

Hormonal Factors: Hormonal factors, such as exposure to estrogen and hormone replacement therapy in postmenopausal women, have been studied as potential contributors to lung cancer in non-smokers.

Lung Infections: Chronic lung infections, such as tuberculosis, have been associated with an increased risk of lung cancer in non-smokers.

Is lung cancer hereditary?

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Asked by Wiki User

While most lung cancers are associated with tobacco smoking and environmental exposures like air pollution, there is a small percentage of cases where a genetic predisposition might play a role. Some individuals may have a family history of lung cancer, suggesting a hereditary component. However, it's important to note that hereditary factors are not the primary cause of lung cancer.

In cases where there is a family history of lung cancer, genetic counseling and testing may be considered to assess the risk. The most well-known hereditary factor associated with lung cancer is a rare genetic syndrome called Li-Fraumeni syndrome. In individuals with this syndrome, there is an increased risk of various cancers, including lung cancer.

In the vast majority of cases, lung cancer is caused by exposure to carcinogens, with tobacco smoke being the leading risk factor. Other environmental factors like exposure to asbestos, radon, and certain occupational hazards also contribute to lung cancer risk.

Is tar from cigarette smoke the greatest contributing factor to lung cancer?

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Asked by Wiki User

No, but it exposes your tongue, mouth, throat, esophagus, stomach, large and small intestine and colon, all of which are prone to cancer when exposed to coal tars.

How long do you have to smoke cigarettes before you get lung cancer?

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Asked by Wiki User

Unfortunately there is no simple answer to this. Doctors have discovered it depends on your genes and other environmental factors as to how long before you are at risk.

Some people have a gene that means that they are very much at risk of developing lung cancer. This could mean that only 6 months worth of smoking will seal their fate. Others could smoke for 60 years and still not get it.

Remember that lung cancer can be caused by other things too. Not only smokers get it.

If you think to yourself that you can smoke for a year and then quit and never feel any effects from it - you are kidding yourself!

AnswerAs mentioned above the risk is heavily influenced by numerous environmental and genetic factors in addition to quantity and duration of tobacco exposure.

The risk of getting cancer is stochastic, comparable to asbestos or uranium exposure, however working forwards from carcinogenicity and metabolism data (NNN NNK and NNAL, ignoring side-stream and secondhand smoke), I estimate that ON AVERAGE 30 cigarettes a day for 14 months, 20 cigarettes a day for 22 months, or 10 cigarettes a day for 41 months will produce a lung tumor. Lung cancer has a 85% chance of being fatal within 5 years.

There are a dozen other serious health problems that will occur even at lower dosages, including many other serious cancers. Technically only 0.0000004 cigarettes is considered "safe" to inhale (based on pollution standards). Second-hand smoke appears to be several times as dangerous, so it is likely those "one-in-a-million" smokers who live to see old age have done some serious damage to their friends, family, coworkers, neighbors, and even pets.

I calculated this because I was curious about the toxicity of tobacco (looking for a biochemical way to reduce it, found none) after having witnessed the prevalence of cigarettes and cigars in Holland. About 40% of the students in their 20s (in the area where I stayed) were addicted to cigarettes and could not stop despite trying several times (paradoxically, legal cannabis use was 15%-20% and easy to quit). As a general trend, tobacco smokers and bystanders in their parents generation seem to come down with cancer in their 30s and die from it by their 50s. There also seems to be a very high incidence of emphysema even among non-smokers (confirmed, 2nd highest emphysema deaths in the world!).

AnswerSome people can smoke 40 cigarettes a day for 60/70 years & never get cancer. There is no set time frame for when cancer will occur or if you will get cancer. However it does increase your risk significantly of heart disease & lung disease later on in life. Quit smoking for your own good.

There is a very easy way to not get cancer.... ready for this?....... Dont smoke. :)


It ain't quite as simple as that! Just about everything has been linked to one type of cancer or another - sunshine, skimmed milk, full fat milk, paracetamol, talcum powder, alcohol, fluorescent lighting, Vitamin K, caffeine, asbestos, radon gas, owning a colour TV, grapefruit, sex(!).....

Not smoking may significantly significantly reduce the risk but will not eliminate the risk entirely. The IARC (part of the World Health Organisation) lists nearly 1,000 carcinogens.

That's a load of complete and utter tosh. We are lead to believe that smoking causes 90% of lung cancer cases yet the average age of diagnosis of lung cancer is over 70. Whichs means that non-smoking lung cancer victims live to an average age of around 300!

As for the deaths of 'bystanders', of the 100+ studies on second hand smoke and lung cancer, only around 15% have produced statistically significant evidence (not proof). Some have suggested a statistically significant BENEFIT, particularly for children. The increased risk in the carefully cherrypicked studies is alleged to be 25%, which by normal epidemiological standards is effectively zero. And that is for 'spousal' exposure (i.e 24x7 in the home) over a period of decades.

What happen to the lungs when smoking?

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Asked by Wiki User

The lungs could be gray or have black spots.

What age group does stomach cancer affect?

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Stomach cancer, also known as gastric cancer, can affect individuals of various age groups, but it is more commonly diagnosed in older adults. The risk of developing stomach cancer generally increases with age.

Here is a rough breakdown of the age groups affected by stomach cancer:

Middle-Aged and Older Adults: Stomach cancer is most commonly diagnosed in individuals aged 60 and older. The risk of developing stomach cancer steadily rises with age, and the majority of cases occur in this age group.

Younger Adults: While stomach cancer is less common in younger adults, it can still occur. Some cases are diagnosed in individuals in their 40s and 50s, although this is relatively rare.

Children and Adolescents: Stomach cancer is extremely rare in children and adolescents and is almost unheard of in this age group.

It's important to note that while age is a significant risk factor, stomach cancer can affect individuals of any age, and its development can be influenced by various factors, including genetics, diet, lifestyle, and exposure to certain risk factors such as H. pylori infection and smoking. Regular medical check-ups and screening may be recommended for individuals at higher risk, especially as they get older. If you have concerns about stomach cancer or its risk factors, it's advisable to consult with a healthcare professional for personalized guidance and, if necessary, screening recommendations.

Is copd a disease that is a combination of lung cancer and bronchitis?

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Asked by Wiki User

No, COPD (Chronic obstructive pulmonary disease) is the name given to chronic emphysema or chronic bronchitis or a combination of both.

What is life expectancy for 65 year old with lung cancer?

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Asked by Wiki User

Some specialists argue that personal loans help people to live their own way, because they are able to feel free to buy necessary goods. Moreover, various banks offer financial loan for all people.

What is surgical emphysema how long can it last?

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air trapped in the tissues following an invasive procedure

Where can cancer return after being in remission from lung cancer?

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My mom was diagnosed with Stage IV Small Cell Lung Cancer. After going into remission it has spreaded to several different places. She has it in her brain, lymph nodes and her lungs again. They were watcing her bones because it is known to go to there. At this point the doctors say she only has a few weeks to live. I just know once cancer comes back it does so with a vengeance. Best of luck to you and your loved ones... Michelle

Lung cancer caused by nicotine and tar?

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Lung cancer is strongly associated with tobacco smoke, which contains harmful substances like nicotine and tar. Nicotine is an addictive compound found in tobacco that can cause cells to divide and grow, contributing to the development of cancer. Tar, on the other hand, is a sticky substance in tobacco smoke that contains numerous carcinogens (cancer-causing agents) which can damage lung cells and their DNA, leading to the formation of cancerous tumors.

When tobacco is smoked, these harmful components are inhaled into the lungs. Over time, repeated exposure to these toxins can lead to mutations in lung cells, causing them to become cancerous. It's important to note that not all individuals who smoke will develop lung cancer, but the risk is significantly increased among smokers. Additionally, exposure to secondhand smoke and other environmental pollutants can also contribute to the development of lung cancer.

Apart from smoking, there are other risk factors for lung cancer, such as exposure to radon gas, asbestos, certain chemicals, and a family history of lung cancer. It's crucial to prioritize lung health by avoiding tobacco use, minimizing exposure to environmental toxins, and seeking regular medical check-ups, especially if you have risk factors. If you have concerns about lung cancer or are at risk, consult a healthcare professional for guidance and appropriate screenings.

Does using a vaporizer for nicotine cause more instances of cancer?

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Asked by Gheron

A vapor cigarette for nicotine is less harmful than cigarettes as it only provides nicotine and not harmful chemicals.

What breathing difficulties would a person have with lung cancer?

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Asked by Wiki User

Yes Lung cancer makes it extremely hard to breathe!

How can black lung cancer can affect the respiratory system?

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Black Lung disease works by building up coal dust on the surface area of your lungs, therefore reducing the overall surface area of your lungs and reducing the efficency of the lungs.

How do you get help to pay for oxygen for lung cancer patient?

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Asked by Wiki User

There are many websites but im sorry that i haven't got a safe website for you. If it was an accident you can go to national accidental claims or something like that but otherwise i have no more information, sorry. Wish you good luck.

What food should you eat to prevent lung cancer?

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Lung disease is quickly becoming a bigger problem throughout the world. Tuberculosis figures are up, air quality is down and throughout the globe and people are suffering from various respiratory ailments. Medication can be expensive and vaccinations do not always work. There is good news however, in that there are actually several foods that can prevent lung disease and ensure better overall respiratory health.

  • Onions - They have long been known to be beneficial, even if they have a potent smell. However, there may never be a better time to start adding these fragrant foods into your diet. The onion is rich in many different components that are good for you, including Vitamin C and B6, as well as folic acid, and even potassium. Onions also contain quercetin, with is an antioxidant. This may be responsible for preventing many diseases, including lung cancer and even heart problems. This component also helps prevent blood clots.
  • Green Tea - This is one of the most popular preventives on the market, and as more research is done on the benefits of this tea, expects it to continue to stock the shelves of your local markets. That's a good thing since green tea may be responsible for preventing not only lung cancer, but a host of other diseases as well. It is very rich in antioxidants and can assist in boosting your immune system. In fact, a report published by the Linus Pauling Institute recently stated that combining green tea with NSAIDS may boost its protective values even more.
  • Garlic - there must be something about the smelly foods that makes them so beneficial. While most people rank garlic right below onions in their favorites list, this is a terrific little additive that packs a powerful punch and not just on your breath. Fresh garlic contains many antioxidants and may help prevent respiratory ailments, lung cancer and many other cancers. However, keep in mind that the over the counter supplements frequently do not produce the same results. If you want the full benefit, you'll have to it fresh.

Is lung cancer preventable?

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Asked by Wiki User

Yes it is preventable by molding the health environment of person according to the environmental changes and also follo0wing some precautions regarding the health.

Is squamous cell lung carcinoma fast growing?

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My partner had a squamous cell carcinoma growth on his eyelid which grew from the size of a tiny lump into covering his whole eyelid within 16 weeks. It was circular and grew to a point outwards. I described it as looking like a volcano. The outward growth looked like a lump of dry keratin or weetabix. If you have a similar growth push your surgeon or consultant to get it removed ASAP as my poor partner lost his whole eyelid and has been going through years of corrective surgery and is still waiting for further ops due to negligence. He was also told that as this is not considered a dangerous cancer (very strange?) that he'd have to wait for his initial biopsy. Don't get fobbed off by useless doctors get it removed. Please.

How many Australians are diagnosed with lung cancer?

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Asked by Wiki User

what is the restless stage 1 2 or 3

Can you go in remission at stage 4 kidney cancer and lung cancer also draino duct cancer and only as one kidney and no treatment could be given?

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how long do someone live with renal cell carcinoma cancer and only as one kidney also as it in the draino ducts 2 lungs and is in stage 4 and they tried a cancer pill on him that did no good