TUESDAY, Jan. 26 (HealthDay News) -- Very tight blood sugar control may raise the risk of premature death in people with type 2 diabetes, with the risk even higher among patients taking insulin, a new study reveals.

TUESDAY, Jan. 26 (HealthDay News) -- Very tight blood sugar control may raise the risk of premature death in people with type 2 diabetes, with the risk even higher among patients taking insulin, a new study reveals.

TUESDAY, Jan. 26 (HealthDay News) -- There is good news for people who have never had chickenpox or received the vaccine but are exposed to the virus: vaccination within five days of exposure can significantly reduce the risk of illness, or at least make it less severe, Spanish researchers say.

TUESDAY, Jan. 26 (HealthDay News) -- Cigarette smoking, but not behavioral problems, independently and consistently predicted the use of marijuana by adolescents in a new study.

TUESDAY, Jan. 26 (HealthDay News) -- When drug therapy can't control the dangerous heart rhythm disorder called atrial fibrillation, burning out the cardiac tissue responsible for the abnormality will do the job in most cases, a new study has found.

TUESDAY, Jan. 26 (HealthDay News) -- Among adult septic shock patients, intensive insulin therapy to lower high blood glucose levels caused by corticosteroid therapy doesn't reduce the risk of death, a new study has found.

TUESDAY, Jan. 26 (HealthDay News) -- Truck and bus drivers who travel interstate roadways are now banned from using a handheld device to send text messages, U.S. officials said Tuesday.

TUESDAY, Jan. 26 (HealthDay News) -- Victoza (liraglutide) has been approved to treat type 2 diabetes in some adults, the U.S. Food and Drug Administration said in a news release.

TUESDAY, Jan. 26 (HealthDay News) -- Women who are exposed to a common chemical that's used as a flame retardant may take longer to become pregnant, a new study finds.

TUESDAY, Jan. 26 (HealthDay News) -- Premature aging is striking the brains of people infected with the virus that causes AIDS, new research suggests.

TUESDAY, Jan. 26 (HealthDay News) -- Men and women who've had limb amputations report similar levels of pain severity, but there are major gender differences in overall pain outcomes, such as emotional health and pain-coping responses, new research has found.

TUESDAY, Jan. 26 (HealthDay News) -- Morphine Sulfate Oral Solution has been approved by the U.S. Food and Drug Administration to treat acute and chronic pain. Sanctioned doses are 100 milligrams per 5 mL and 20 milligrams per 1 mL, the agency said in a news release.

(HealthDay News) -- Here are the latest clinical trials, courtesy of ClinicalConnection.com:

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

TUESDAY, Jan. 26 (HealthDay News) -- More than half of the people who need to take insulin to control their diabetes skip an injection now and then, a new study reports.

TUESDAY, Jan. 26 (HealthDay News) -- An intensive treatment strategy shows promise against locally advanced rectal cancer.

TUESDAY, Jan. 26 (HealthDay News) -- Treating advanced kidney cancer patients with the drug pazopanib (Votrient) slowed their disease progression by 54 percent, a new study has found.

TUESDAY, Jan. 26 (HealthDay News) -- Bone loss around dental implants occurs in about one in four patients, a rate far higher than previously thought, a Swedish researcher says.

TUESDAY, Jan. 26 (HealthDay News) -- After more than a decade of decline, the U.S. teen pregnancy rate increased 3 percent in 2006, which led to a 4 percent rise in teen births and a 1 percent increase in teen abortions, a new study shows.

TUESDAY, Jan. 26 (HealthDay News) -- Older kids who play soccer -- which has one of the highest injury rates among youth sports -- apparently are less apt to sustain a concussion from heading the ball than from hitting their head against another player or slamming their head into the ground, a new report says.

(HealthDay News) -- Conjunctivitis, commonly called pinkeye, is a common infection that is very contagious. Since more serious medical problems can mimic the redness and itchiness that characterize pinkeye, the condition should be evaluated by a doctor.

(HealthDay News) -- The joints, tendons and muscles that make up the shoulder allow for a lot of flexibility. But an injury or a number of medical conditions can cause pain and limit the shoulder's movement.