Adult peer to peer web cam
Trials are based on past studies and what has been learned in the laboratory.
Each trial answers certain scientific questions in order to find new and better ways to help cancer patients.
Editorial Boards write the PDQ cancer information summaries and keep them up to date.
These Boards are made up of experts in cancer treatment and other specialties related to cancer.
The summaries are reviewed regularly and changes are made when there is new information.
The date on each summary ("Date Last Modified") is the date of the most recent change.
Physician Data Query (PDQ) is the National Cancer Institute's (NCI's) comprehensive cancer information database.
The PDQ database contains summaries of the latest published information on cancer prevention, detection, genetics, treatment, supportive care, and complementary and alternative medicine. The health professional versions have detailed information written in technical language.
A study of over 5,000 men and women without cancer over a period of 20 years found that smoking tobacco was linked with some loss of lung function but that occasional and low use of cannabis was not linked with loss of lung function.
Many cancer doctors who take part in clinical trials are also listed in PDQ.
For more information, call the Cancer Information Service 1-800-4-CANCER (1-800-422-6237). The content of PDQ documents can be used freely as text. [PMID: 26389314] Images in this summary are used with permission of the author(s), artist, and/or publisher for use in the PDQ summaries only.
The patient versions are written in easy-to-understand, nontechnical language.
Both versions have cancer information that is accurate and up to date and most versions are also available in Spanish. The NCI is part of the National Institutes of Health (NIH).