Extroverts Happier Regardless of Culture, Study Finds

FRIDAY, April 18, 2014 (HealthDay News) -- Being outgoing makes you happier no matter where you live, a new international study says.

 Restaurants in Poor Areas Push Unhealthy Foods, Study Finds

FRIDAY, April 18, 2014 (HealthDay News) -- Restaurants near public housing developments tend to offer unhealthy meals, a new study finds.

 How to Make 'Low-Cal' Menu Options More Palatable

FRIDAY, April 18, 2014 (HealthDay News) -- Many people ignore restaurant foods labeled "low-calorie" because they think they'll be unsatisfying, a new study shows.

 Stress Tied to Worse Allergy Symptoms

FRIDAY, April 18, 2014 (HealthDay News) -- Stress may trigger symptom flare-ups in people with seasonal allergies, a new study suggests.

 Nurses' Experience Key to Better Patient Care, Study Says

FRIDAY, April 18, 2014 (HealthDay News) -- Patients may get the best care when treated in hospital units staffed by highly experienced nurses, a new study shows.

 Ragwitek Approved for Adult Ragweed Allergy

FRIDAY, April 18, 2014 (HealthDay News) -- Ragwitek has been approved by the U.S. Food and Drug Administration to treat allergy to short ragweed among adults aged 18 to 65.

 More People Worldwide Eating 'Healthy' Fats, Study Finds

FRIDAY, April 18, 2014 (HealthDay News) -- Levels of healthy fats in people's diets worldwide increased over the past two decades, while their intake of harmful fats stayed about the same, a new study finds.

 Happy Couples Nestle Together at Night, Survey Finds

FRIDAY, April 18, 2014 (HealthDay News) -- Your sleeping position with your significant other offers clues about the quality of your relationship, according to a new study.

 Scientists Probe What Makes People Get Their Groove On

FRIDAY, April 18, 2014 (HealthDay News) -- Whether you bust a move, get jiggy with it or just tap a toe or two, something about certain types of popular music makes you want to set your body in motion.

 Appetite, Taste Changes Reported After Weight-Loss Surgery

FRIDAY, April 18, 2014 (HealthDay News) -- After weight-loss surgery, many patients report changes in appetite, taste and smell, a new study says.

 So-Called 'Apple Shape' Not a Risk Factor for Breast Cancer: Study

FRIDAY, April 18, 2014 (HealthDay News) -- Body shape -- whether a woman is wide at the waistline -- is not in itself a risk factor for breast cancer, according to a large new study.

 Certain Sedatives Tied to Breathing Problems in Older COPD Patients

FRIDAY, April 18, 2014 (HealthDay News) -- A group of widely used sedatives increases the risk of serious breathing problems in older people with the lung condition called chronic obstructive pulmonary disease (COPD), a new study says.

 Suddenly Health Insurance Is Notfor Sale

FRIDAY, April 18, 2014 (HealthDay News) -- Darlene Tucker, an independent insurance broker in Scotts Hill, Tenn., says health insurers in her area aren't selling policies year-round anymore.

 Oil-Swishing Craze: Snake Oil or All-Purpose Remedy?

FRIDAY, April 18, 2014 (HealthDay News) -- Allison Bennett of Palm City, Fla., plans to swish daily. Sloshing coconut oil around her mouth for a quarter of an hour every day will make her teeth whiter, she believes.

 Health Highlights: April 18, 2014

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

 Health Tip: Avoid Driving During Flood Warning

(HealthDay News) -- If the National Weather Service in your area has issued a flood warning, experts say you should avoid driving unless absolutely necessary.

 Health Tip: If Your Child is Constipated

(HealthDay News) -- Constipation among children often isn't worth worrying about, and resolves on its own. But you shouldn't ignore signs that the problem may be serious, and that your child should be examined by a doctor.