FRIDAY, Feb. 18 (HealthDay News) -- Many people consider their dogs as best friends, but hospital records suggest some pooches feel otherwise.

(HealthDay News) -- Keeping your blood glucose levels as close to normal as possible can help prevent complications of diabetes.

(HealthDay News) -- Sinusitis occurs when the air-filled cavities inside the skull become inflamed.

FRIDAY, Feb. 18 (HealthDay News) -- The quality of social networking sites for people with diabetes varies greatly, researchers say, with some providing useful medical information and emotional support, while others may simply be thinly veiled advertising sites.

FRIDAY, Feb. 18 (HealthDay News) -- Speaking more than one language may boost brain function, experts say.

FRIDAY, Feb. 18 (HealthDay News) -- The BP oil spill in the Gulf of Mexico last year had a major psychological impact on people living in coastal communities, even in areas where there was no direct oil exposure, new research reveals.

FRIDAY, Feb. 18 (HealthDay News) -- Tapping certain sequences of numbers on your cell phone can affect your emotions, German researchers suggest.

FRIDAY, Feb. 18 (HealthDay News) -- Doctors must not forget about the physical health of people with serious mental health disorders who take antipsychotic drugs, experts warn.

THURSDAY, Feb. 17 (HealthDay News) -- Cyclists using special bike-only tracks that are physically separated from street traffic have fewer accidents compared to bikers pedalling alongside motor vehicles, a new study finds.

FRIDAY, Feb. 18 (HealthDay News) -- Patients with head and neck cancer who continue to smoke while undergoing radiation treatments have a much lower long-term survival rate than those who kick the addiction, researchers have found.

FRIDAY, Feb. 18 (HealthDay News) -- A disease the affects your legs could warn you about potential heart trouble, new research suggests.

FRIDAY, Feb. 18 (HealthDay News) -- Children as young as 5 can learn how to manipulate a computer mouse, according to a study that finds practice is more important than age in mastering the device.

FRIDAY, Feb. 18 (HealthDay News) -- A new analysis of existing research finds that peer support may do a better job of treating depression than standard care.

THURSDAY, Feb. 17 (HealthDay News) -- Corifact has been approved by the U.S. Food and Drug Administration to treat congenital Factor XIII deficiency, a rare genetic disorder that could cause life-threatening bleeding.

THURSDAY, Feb. 17 (HealthDay News) -- Patients struggling with chronic fatigue syndrome may be helped the most when standard treatment is coupled with cognitive behavior therapy or exercise therapy, new British research suggests.

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

FRIDAY, Feb. 18 (HealthDay News) -- Months after getting a ceramic hip replacement, some patients may be startled to find their artificial joint starts squeaking.

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

FRIDAY, Feb. 18 (HealthDay News) -- Many people who watched Los Angeles TV reporter Serene Branson suffer what appeared to be a stroke while covering the Grammy awards last Sunday were no doubt relieved to hear her troubles were apparently caused by a severe migraine headache.

FRIDAY, Feb. 18 (HealthDay News) -- Cell phones do not increase the risk of brain cancer, a new British study contends.