THURSDAY, Feb. 4 (HealthDay News) -- New research suggests that young children and teenagers with type 1 diabetes could benefit by using an artificial pancreas device to lower the risk of dangerously low blood sugar levels during sleep and help them control their disease.

THURSDAY, Feb. 4 (HealthDay News) -- Tests on more than 300 samples of canned tuna from the top three brands in the United States revealed that more than half contained mercury levels above what's considered safe by the Environmental Protection Agency.

THURSDAY, Feb. 4 (HealthDay News) -- In November 2000, Helen Haskell took her 15-year-old son to a teaching university for a routine, elective procedure.

THURSDAY, Feb. 4 (HealthDay News) -- Just in time for the Winter Olympics, scientists are warning of a new breed of performance-enhancing agents that use cutting-edge genetic technology and may be particularly hard to detect.

THURSDAY, Feb. 4 (HealthDay News) -- A new nanofiber gel that promotes cartilage growth in joints has been developed by U.S. researchers.

THURSDAY, Feb. 4 (HealthDay News) -- Rates of HIV infection in infants are significantly higher among blacks and Hispanics than whites, and preventive measures are needed to reduce the disparity, a new government report says.

THURSDAY, Feb. 4 (HealthDay News) -- Patients suffering from chronic obstructive pulmonary disease (COPD) are often given inhaled corticosteroids to help ease exacerbations of the disease, but a new study finds these drugs may be of only limited benefit.

THURSDAY, Feb. 4 (HealthDay News) -- Rapid breathing, poor blood circulation and, possibly, parental concern and a doctor's instinct are potential warning signs of serious infection among children in developed countries, according to a review of published research.

THURSDAY, Feb. 4 (HealthDay News) -- For the first time, the colors that adorned a species of feathered dinosaur more than 150 million years ago have been revealed by U.S. scientists who deciphered microscopic clues hidden in a fossil of one of the creatures.

(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:

THURSDAY, Feb. 4 (HealthDay News) -- As jobless Americans lost private health insurance coverage and joined the Medicaid rolls during the recession, U.S. health spending jumped 5.7 percent to $2.5 trillion in 2009, government projections show.

THURSDAY, Feb. 4 (HealthDay News) -- Most parents make sure their children get all their vaccinations, but when it comes to adults these protective shots often fall by the wayside, a new report shows.

THURSDAY, Feb. 4 (HealthDay News) -- For many people whose depression goes untreated, symptoms persist and worsen over time, eventually leading to a diagnosis of major depression, according to new research.

THURSDAY, Feb. 4 (HealthDay News) -- Waiting for natural birth is as effective as inducing labor in pregnant women with intrauterine growth restriction (IUGR), a new study shows.

THURSDAY, Feb. 4 (HealthDay News) -- Researchers say they've discovered genetic traits in mothers and fetuses that appear to boost the risk of premature labor and delivery.

(HealthDay News) -- Beta blockers often are prescribed to treat various heart conditions, including congestive heart failure and an irregular heartbeat. They also may be used to help treat high blood pressure.

(HealthDay News) -- Perimenopause describes the period of time just before menopause starts, says the National Women's Health Information Center.

THURSDAY, Feb. 4 (HealthDay News) -- Women who've had a cesarean delivery are less likely to suffer complications if their wound is closed using sutures rather than staples, says a U.S. study.

THURSDAY, Feb. 4 (HealthDay News) -- Biofeedback used to be thought of as alternative therapy -- something that might help but wasn't considered a fully legitimized medical treatment.