SUNDAY, May 30 (HealthDay News) -- New research suggests that vitamins may do nothing to protect men against bladder cancer and might even raise the risk of another type of cancer.

SUNDAY, May 30 (HealthDay News) -- A new study suggests that prostate cancer patients who undergo three-dimensional external-beam radiation therapy may be at increased risk of breaking their hips, but they can take action to strengthen their bones after treatment.

SUNDAY, May 30 (HealthDay News) -- The needle pricks involved in acupuncture may help relieve pain by triggering a natural painkilling chemical called adenosine, a new study has found.

MONDAY, May 31 (HealthDay News) -- As the Indy 500 unfolds this weekend, diehard race car fans may employ a trick that non-fans can scarcely imagine: They'll actually "see" the difference between the speeding competitors' engines with nothing but their ears.

SUNDAY, May 30 (HealthDay News) -- People who wake up frequently during the night to urinate are at an increased risk of death even after accounting for chronic conditions that are known to cause the problem, two new studies show.

(HealthDay News) -- A good night's sleep is essential for good health, but certain conditions can keep you from getting the sleep you need.

(HealthDay News) -- A swimming pool can be deadly, especially to young children. But setting mandatory rules can help keep kids safe.

SUNDAY, May 30 (HealthDay News) -- Long-term abuse of the recreational drug ketamine, often called "Special K" by the young partygoers who use it, is now linked to a heightened risk for pelvic pain and urinary incontinence.

MONDAY, May 31 (HealthDay News) -- Although cancer death rates for women are generally on the downswing, statistics indicate that female lung cancer fatalities are rising, the American Lung Association (ALA) says.