WEDNESDAY, May 22 (HealthDay News) -- Physicians weighing the benefits and risks of CT scans for detecting lung cancer now have more information to help with the decision. A new analysis of a 2010 U.S. study finds that low-dose CT scans pick up significantly more lung tumors than chest X-rays do.

WEDNESDAY, May 22 (HealthDay News) -- The American Cancer Society, which is celebrating on Wednesday a century of fighting a disease once viewed as a death sentence, is making a pledge to put itself out of business.

WEDNESDAY, May 22 (HealthDay News) -- Children and teens exposed to radiation during CT scans are 24 percent more likely to develop cancer, according to a large, long-term study.

TUESDAY, May 21 (HealthDay News) -- Aggressive treatment for prostate cancer may not be warranted for many older patients with underlying medical conditions, a new study finds.

TUESDAY, May 21 (HealthDay News) -- Finding early signs of lung cancer was once next to impossible, but a new study adds to a growing body of evidence suggesting that screening with low-dose CT scans may help spot the beginnings of disease in high-risk patients.

TUESDAY, May 21 (HealthDay News) -- Thousands of Americans, many of them smokers or ex-smokers, suffer from the lung condition known as chronic obstructive pulmonary disease (COPD). Now a new study finds that patients placed on the common antibiotic azithromycin may be able to cut down on hospitalizations due to flare-ups of the disease.

TUESDAY, May 21 (HealthDay News) -- Racial disparities exist in the treatment of non-small cell lung cancer among hospitals in the United States, according to a large new study.

MONDAY, May 20 (HealthDay News) -- The costly form of radiation therapy that has become the norm for prostate cancer in the United States may be no better than the older, cheaper variety -- at least for some men, a new study suggests.

MONDAY, May 20 (HealthDay News) -- Long-acting inhaled medications used by millions of people with chronic obstructive pulmonary disease (COPD) may raise the risk of cardiovascular complications among older patients, a new large Canadian study reveals.

MONDAY, May 20 (HealthDay News) -- Dermatologists are saying that new federally mandated labeling laws for sunscreens should help Americans make smarter choices when it comes to products that provide the best sun protection.