9 Essential Health Screenings for Men

This type of cancer is the main cause of death from cancer in the U.S. Most lung cancers are caused by smoking. But people exposed to secondhand smoke over long periods of time can get it, too. So can people who don’t smoke at all or haven’t been exposed to a lot of secondhand smoke. Not smoking and avoiding secondhand smoke are the best ways to lower your risk.A low-dose CT scan is a type of X-ray that takes pictures of your lungs. It’s also called LDCT. Low-dose CT is recommended if you’re between 55-80 years old and have a history of heavy smoking. That’s 1 pack a day for 30 years or 2 packs a day for 15 years. It’s also recommended if you smoke or quit smoking in the past 15 years.