TUESDAY, Oct. 9 (HealthDay News) -- There's no evidence to support the widely held belief that sharing family meals improves children's school performance or reduces their risk of behavior problems, a new study says.

(HealthDay News) -- Newer parents may feel helpless when they've got a teething, cranky baby on their hands.

(HealthDay News) -- While it's important to limit the fat content in your diet, your body does benefit from some fats in small amounts.

TUESDAY, Oct. 9 (HealthDay News) -- A new MRI technique is showing "practical promise" in identifying thickening of the coronary artery wall, an early stage of coronary heart disease, researchers say.

TUESDAY, Oct. 9 (HealthDay News) -- Two separate genetic "signatures" for aggressive prostate cancer have been identified by researchers, who said the findings could one day help improve patient treatment and outcomes.

TUESDAY, Oct. 9 (HealthDay News) -- A marijuana extract appears to ease painful muscle stiffness in people with multiple sclerosis, according to a new British study.

MONDAY, Oct. 8 (HealthDay News) -- Fast walking and jogging every day can cut your risk of heart disease and stroke by as much as 50 percent, but an hour's walk every day does not make a difference, according to a new Danish study.

TUESDAY, Oct. 9 (HealthDay News) -- Teens and young adults who are seriously ill should have a chance to be involved in end-of-life decisions, and a new planning guide -- developed especially for this age group -- can help, researchers say.

MONDAY, Oct. 8 (HealthDay News) -- U.S. health officials said late Monday that as many as 13,000 people may have received steroid shots from the suspected source of a national meningitis outbreak.

TUESDAY, Oct. 9 (HealthDay News) -- A person's ability to taste certain bitter flavors is directly related to their ability to fight off chronic sinus infections, according to a new study.

TUESDAY, Oct. 9 (HealthDay News) -- Scientists say they've answered the age-old question of why that glass of Cabernet or Merlot goes so well with your steak: something called "mouth feel."

TUESDAY, Oct. 9 (HealthDay News) -- New research suggests that if you want to lose weight, don't try to do it alone.

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