FRIDAY, Dec. 3 (HealthDay News) -- Education and rule enforcement reduce brain and spinal cord injuries among rugby players, but wearing protective equipment such as headgear and mouthguards does not lower the risk, says a new review.

(HealthDay News) -- Having too much sugar in your blood can injure many parts of the body, including your heart, kidneys -- even your eyes.

(HealthDay News) -- Indoor mold can lead to allergy and respiratory problems that can prove deadly.

FRIDAY, Dec. 3 (HealthDay News) -- A standardized U.S. national registry of joint replacement devices would improve patient safety and quality of care, a new study finds.

FRIDAY, Dec. 3 (HealthDay News) -- If the expression "out of sight, out of mind" is true, then wealthier nations may be at risk of forgetting about the global AIDS pandemic, according to an international team of researchers.

FRIDAY, Dec. 3 (HealthDay News) -- Young women with a menopause-like condition called primary ovarian insufficiency should be evaluated for depression, a new study suggests.

FRIDAY, Dec. 3 (HealthDay News) -- New research explains why immune function actually improves in a small number of patients with drug-resistant HIV.

FRIDAY, Dec. 3 (HealthDay News) -- The impending extinction of various plant and animal species is likely to remove an important buffer against the transmission of infectious disease, new research suggests.

FRIDAY, Dec. 3 (HealthDay News) -- A protein that regulates prostate stem cell self-renewal and also plays a role in the transformation of healthy cells into prostate cancer cells has been identified by U.S. scientists.

FRIDAY, Dec. 3 (HealthDay News) -- Use of androgen suppression therapy for low-risk prostate cancer fell after doctors starting receiving lower Medicare payments for the treatment, but use of the treatment for patients with metastatic prostate cancer stayed steady, a new study shows.

FRIDAY, Dec. 3 (HealthDay News) -- Pregnant women with epilepsy who are taking carbamazepine (Tegretol) to control seizures may be at a slightly increased risk of having an infant with spina bifida, a new study finds.

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

FRIDAY, Dec. 3 (HealthDay News) -- Genetics might help explain why some people are more prone to infidelity and promiscuity, says a new study.

FRIDAY, Dec. 3 (HealthDay News) -- While good-looking men find it easier to land a job interview, attractive women may be at a disadvantage, a new study from Israel suggests.

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

FRIDAY, Dec. 3 (HealthDay News) -- Although winter hasn't even arrived, the first signs of flu season have, U.S. health officials said Friday.