Cigarette Fitness: Health Risks and How to Quit (PDQ®) -Patient Version

About PDQ

The Physician Data Query (PDQ) is the National Cancer Institute’s (NCI’s) comprehensive cancer information database. Their PDQ data contains a summary of the latest information on cancer prevention, detection, genetic, treatment, supportive care, complementary and other medication. Most summaries come in two versions. Health professionals have detailed versions of the technical information written in the language. Patient versions are written in a nontechnical language easy to understand. Both versions have accurate and recent cancer information, and most versions are also available in Spanish.

PDQ NCI service. NCI is part of the National Institutes of Health (NIH). NIH is a federal government biomedical research center. PDQ summaries are based on the reproductive health literature. NCI or NIH policies are not mentioned.

The purpose of this book

This PDQ summarizes information on cancer prevention and cessation of cigarette smoking and the control of tobacco use. It is meant to inform and assist patients, families and caregivers. It does not provide formal guidelines or recommendations for making decisions about health care.

Reviews and Updates

Write down the PDQ Editorial Reviews lists of cancer information and keep them up to date. This Board is posted by experts in the treatment of cancer and other properties pertaining to cancer. Summaries are regularly reviewed and changes are made when there are new information. The day in each summary (“Updated”) is the day of the most recent changes.

Information in this patient is selected from the health professional’s version, which is regularly reviewed and updated as needed, through the PDQ Screening and Prevention Editor’s Table.

Clinical Trial Information

The clinical trial is a study to answer a scientific question, such as whether one treatment is better than another. The judgments are based on past studies and what they have learned in the laboratory. Each trial answers some scientific questions to find new and better ways to help cancer patients. In treatment clinical trials, information is collected about the effects of new treatments and how well it works. If the clinical trial shows that the new treatment is better than the one used now, the new “standard” treatment may be possible. Patients may think about participating in a clinical trial. Some clinical trials are open only to patients who have not started treatment.

Clinical trials can be found online at the NCI website. For more information, call the Cancer Information Service (CIS), contact the NCI Center, at 1-800-4-CANCER (1-800-422-6237).

License to This Book

PDQ is a nice twist. The content of the PDQ documents can be used autonomously. This can not be done as an NCI PDQ can be found in a summary of the known information, unless the entire summary is displayed and updated regularly. However, a user was allowed to write a statement as “cancer PDQ-NCI summary of information about breast cancer prevention indicates risk in this way: [include excerpt from the summary].

The best PDQ to be quoted is:

PDQ® Screening and Prevention Editorial Board. Everyone has PDQ. Bethesda, MD: National Cancer Institute. Updated . Available at: . Accessit . [PMID: 26389305]

The images in this summary are used only with permission of the author(s), artist, and/or editor employed in the PDQ summaries only. If you want to use PDQ from the main image and you do not use the entire summary, you need to obtain it from the master. It cannot be submitted to the National Cancer Institute. Information about the images used in this summary, along with many other related cancer related photos, can be found in Visual Online. Visual Images is an online collection of more than 3,000 scientific images.


The information contained in these summary should not be used to make decisions about reimbursed insurances. More information about insurance coverage is available on the Cancer Care page on

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