Respiratory tract infections

Benefits of Quitting Tobacco Use

There are many physical and mental benefits of quitting tobacco use after a cancer diagnosis. These may include:

  • Longer survival

  • More successful treatment

  • Fewer and less-serious side effects from all types of cancer treatment

  • Faster recovery from treatment

  • Lower risk of a second cancers

  • Lower risk of infection

  • Easier breathing

  • More energy

  • Better quality of life

Infection

An infection happens when your body's immune system is unable to fight off bacteria, viruses, and other pathogens. A pathogen, commonly called a germ, causes illness.

Your immune system is your body's way of fighting pathogens. It is a process that involves cells, organs, and proteins. When your immune system is working properly, white blood cells destroy harmful germs. When it is weak, your white blood cells have a harder time fighting infection.

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