(HealthDay News) -- Endometriosis occurs in women when endometrial tissue that lines the uterus grows outside of the uterus. Pelvic pain during menstruation is a common symptom.

(HealthDay News) -- Carbon monoxide (CO) is a toxic gas that you can't see or smell, but it can kill people and animals if a leak isn't detected quickly.

THURSDAY, Oct. 18 (HealthDay News) -- Breast-feeding may reduce a woman's risk for a form of breast cancer that's particularly difficult to treat, a new study suggests.

THURSDAY, Oct. 18 (HealthDay News) -- The idea that fathers play a significant role in the development of their kids' approach to sex has received some support in a new evidence review. Studies in the review suggest that adolescents have less sex if their fathers talk to them more about sexual matters.

THURSDAY, Oct. 18 (HealthDay News) -- Six cups of green tea a day may slow the progression of prostate cancer, a new study suggests.

THURSDAY, Oct. 18 (HealthDay News) -- Women whose first pregnancy is ectopic have fewer children and are at increased risk for another ectopic pregnancy, a new study says.

THURSDAY, Oct. 18 (HealthDay News) -- Gastric band surgery, and other types of weight-loss operations, can significantly reduce obese people's risk for heart disease and stroke, and also improve the health of the heart itself, researchers report.

THURSDAY, Oct. 18 (HealthDay News) -- Among people with depression, 79 percent report that they've experienced some form of discrimination, a new study finds.

THURSDAY, Oct. 18 (HealthDay News) -- Menopause does not cause weight gain, but it does increase belly fat, according to a new study.

THURSDAY, Oct. 18 (HealthDay News) -- People with Alzheimer's disease who take the antipsychotic drug risperidone (Risperdal) to help curb their agitation and aggression may see a return of these troublesome symptoms if they stop taking the medication, a new study suggests.

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

THURSDAY, Oct. 18 (HealthDay News) -- About 12,000 children die from unintended, accidental injuries each year, most of them preventable, according to a report issued Thursday by the U.S. Centers for Disease Control and Prevention.