Physical activity is valuable for heart health, metabolic health, weight management and general fitness. Some observational research has also linked higher physical activity with lower lung cancer risk. But the evidence is not strong enough to tell someone that exercise alone will prevent lung cancer. That does not make movement unimportant.
Regular walking, cycling, swimming or other activities can help maintain fitness and make the body better equipped to cope with illness and treatment. The goal should be overall health rather than treating exercise as a guarantee against cancer.
Then comes a different but equally important question: does a person need lung cancer screening?
Not everyone does.
For people at sufficiently high risk, annual low-dose CT screening can find lung cancer earlier. The US Preventive Services Task Force recommends annual LDCT for adults aged 50 to 80 who have at least a 20 pack-year smoking history and currently smoke or quit within the previous 15 years. Screening should stop once a person has not smoked for 15 years, develops a health problem that substantially limits life expectancy, or would not be able or willing to undergo curative treatment.
A pack-year means smoking an average of one pack of cigarettes a day for one year. So 20 pack-years could mean one pack a day for 20 years, or two packs a day for 10 years.
These criteria are not a universal instruction to every smoker or non-smoker. Screening recommendations can vary by country and health system. A doctor should assess smoking history, age, other risk factors and the potential benefits and
AboutMyClinic