MONDAY, May 21 (HealthDay News) -- In a highly anticipated move sure to unleash heated debate, a prominent U.S. government advisory panel is recommending that men of all ages no longer be screened for prostate cancer by undergoing the prostate-specific antigen (PSA) blood test.

MONDAY, May 21 (HealthDay News) -- New research suggests that weight loss through exercise and dieting helps overweight women lower the levels of certain hormones in their blood, potentially raising the odds that they'll avoid developing breast cancer.

MONDAY, May 21 (HealthDay News) -- Obese patients are more likely than other patients to have advanced, aggressive forms of papillary thyroid cancer when they're diagnosed with the disease, a new study has found.

MONDAY, May 21 (HealthDay News) -- In a scenario reminiscent of the film Fantastic Voyage, researchers have found a way to perform nearly surgery-free gastric bypass procedures in pigs using only a local anesthetic.

MONDAY, May 21 (HealthDay News) -- New research confirms that sigmoidoscopies -- less-invasive alternatives to colonoscopies that don't require sedation -- are effective in lowering the risk of colon cancer.

MONDAY, May 21 (HealthDay News) -- Statin drugs commonly used to lower cholesterol levels may also slow the unhealthy growth of the prostate in men with elevated blood levels of prostate-specific antigen, a new study finds.

MONDAY, May 21 (HealthDay News) -- Shortness of breath during sexual activity is common for patients with chronic obstructive pulmonary disease (COPD), a new, small study finds.

SUNDAY, May 20 (HealthDay News) -- Sleep apnea has already been linked to a host of adverse health problems, such as high blood pressure and heart disease. Now, new research suggests that in people who already have cancer, the sleep disorder may raise their risk of dying from cancer.

SUNDAY, May 20 (HealthDay News) -- Using low-dose CT scans to screen for lung cancer might save the lives of patients at the greatest risk for the disease, a new analysis suggests.

FRIDAY, May 18 (HealthDay News) -- Older men have an increased risk of developing melanoma, but most are careless about sun protection and do not know how to properly check themselves for signs of skin cancer, a new survey reveals.