(Associated Press) -- Several doctors groups and advocacy groups set guidelines for cancer screening, and they update that advice periodically as new information emerges. Sometimes they agree, sometimes they don't. Last year, a number of groups got together and issued consensus guidelines for colon cancer.

MILWAUKEE (Canadian Press) -- Men may protect more than their hearts if they keep cholesterol in line: Their chances of getting aggressive prostate cancer may be lower, new research suggests.

CHICAGO (AP) -- A new study suggests less-invasive keyhole surgery for prostate cancer may mean a higher risk for lasting incontinence and impotence when compared with traditional surgery.

WASHINGTON (AP) -- A virus recently linked to prostate cancer is a new suspect in chronic fatigue syndrome. Scientists tested blood from 101 patients and found two-thirds carried it.

LOS ANGELES (AP) -- Dr. Christine Daniel promised to her patients what many considered the improbable -- the chance to cure cancer through an herbal treatment.

LONDON (AP) -- A common treatment for prostate cancer may slightly increase patients' risk of heart problems, new research says.

CHICAGO (AP) -- A new study links hormone therapy for prostate cancer with a higher risk of death in older men who've had serious heart problems.

ATLANTA (AP) -- Four years after the government severely restricted its use, the lung cancer drug Iressa may be poised to make a comeback: A study concludes it can slow the deadly disease better than standard chemotherapy in certain patients.

(USA TODAY) -- Asking nurses to reach out to people who have advanced cancer -- even if only by phone -- can improve patients' mood and quality of life, a study in today's Journal of the American Medical Association reports.

(McClatchy-Tribune Information Services) -- The Veterans Administration's top expert on a prostate cancer treatment method told a congressional committee Wednesday that a program at the VA Medical Center in Philadelphia should have been stopped immediately when a computer malfunction occurred.

(McClatchy-Tribune Information Services) -- The University of Pennsylvania radiation oncologist at the center of the controversy about the Philadelphia VA Medical Center's prostate cancer program has taken a leave from Penn's medical school.

(McClatchy-Tribune Information Services) -- Four years ago, after talking to doctors at the Philadelphia VA Medical Center, the Rev. Ricardo Flippin opted for a radiation therapy that would precisely target his prostate cancer and leave nearby organs unharmed.

PHILADELPHIA (AP) -- Ninety-two veterans were given incorrect radiation doses in a common surgical procedure to treat prostate cancer during a six-year period at the Veterans Affairs Medical Center in Philadelphia, according to newspaper reports Sunday.

BALTIMORE (AP) -- At one of the nation's top trauma hospitals, a nurse circles a patient's bed, humming and waving her arms as if shooing evil spirits. Another woman rubs a quartz bowl with a wand, making tunes that mix with the beeping monitors and hissing respirator keeping the man alive.

TAMPA, Fla. (AP) -- With much of her lower body consumed by cancer, Leslee Flasch finally faced the truth: The herbal supplements and special diet were not working.

BRADENTON, Fla. (AP) -- Vince Palella's brother got him started on supplements.

ATLANTA (AP) -- The U.S. cancer death rate fell again in 2006, a new analysis shows, continuing a slow downward trend that experts attribute to declines in smoking, earlier detection and better treatment.