(HealthDay News) -- Neck pain can stem from a variety of factors and conditions, from injury to a soft-tissue abnormality.

(HealthDay News) -- A salad isn't automatically a healthier option. With high-fat dressings and toppings, even a salad can wreck your healthy eating plans.

TUESDAY, Jan. 10 (HealthDay News) -- Studies have shown that vitamin D is critical for bone health and could have a protective benefit for the heart, but new research suggests that too much of it could actually be harmful.

TUESDAY, Jan. 10 (HealthDay News) -- People who suffer sudden cardiac arrest are more likely to survive if 911 and EMS dispatchers help bystanders assess victims and begin CPR immediately, says a new scientific statement from the American Heart Association.

TUESDAY, Jan. 10 (HealthDay News) -- Heart attack patients whose blood potassium levels are within a certain range are less likely to die than those with levels of the mineral below or above that range, says a new study that challenges current recommendations for potassium levels in heart attack patients.

TUESDAY, Jan. 10 (HealthDay News) -- The so-called "love hormone" oxytocin promotes greater kindness in monkeys, a new study finds.

TUESDAY, Jan. 10 (HealthDay News) -- A drug commonly used to treat patients with Alzheimer's disease does not appear to be effective for people older than 40 years who have Down syndrome and Alzheimer's, according to a new study.

TUESDAY, Jan. 10 (HealthDay News) -- Dutch researchers report disappointing results from an early clinical trial of the drug Nexavar (sorafenib) in fighting a tough-to-treat form of lung cancer.

TUESDAY, Jan. 10 (HealthDay News) -- It's easy to overeat at restaurants. But researchers from University of Texas at Austin say they've come up with a strategy that helped a group of middle-aged women who eat out frequently avoid gaining weight and even lose a few pounds.

TUESDAY, Jan. 10 (HealthDay News) -- Asian-Americans are more likely to die in the hospital following a heart attack than whites, new research reveals, although this disparity was reduced over time in hospitals participating in a quality improvement program.

TUESDAY, Jan. 10 (HealthDay News) -- Children with autism have bacteria in their gut that is different from the bacteria seen in kids who do not have the disorder, researchers have found.

TUESDAY, Jan. 10 (HealthDay News) -- Diabetes is a costly disease, and new research suggests those costs may extend far beyond the obvious expense of medicine and related health care.

MONDAY, Jan. 9 (HealthDay News) -- The anticoagulant Pradaxa (dabigatran) is associated with a small increase in the risk of heart attack, a new review finds.

TUESDAY, Jan. 10 (HealthDay News) -- Unlike the cigarette habit, occasional pot smoking does not seem to trigger declines in lung function that could lead to breathing problems, a new 20-year study suggests.

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

TUESDAY, Jan. 10 (HealthDay News) -- An estimated 38 million American adults are binge drinkers -- defined as men who down five or more drinks at a sitting and women who consume four or more drinks at one time, federal researchers reported Tuesday.

TUESDAY, Jan. 10 (HealthDay News) -- People with dementia are far more likely to be hospitalized than their peers who don't have any impairment in their brain function, a new study finds.

TUESDAY, Jan. 10 (HealthDay News) -- A class of newer diabetes drugs that includes exenatide (Byetta, Bydureon) might also be used to help the obese lose weight, Danish researchers report.