ALLERGY, RESPIRATORY
'Safe' Ozone Levels May Not Be for Some
Overweight Moms More Likely to Have Asthmatic Kids
Folic Acid Might Offer Allergy Relief
ALTERNATIVE MEDICINE
Yoga May Bring Calm to Breast Cancer Treatment
Cranberries May Help Prevent Urinary Tract Infections
Imaging Sheds Light on How Acupuncture Works
ANIMAL CARE
Beware of Dog Bites
Rest Easy. When It Comes to Swine Flu, Your Pet Is Safe
'Comfort Dogs' Come to Emotional Rescue
BONES & JOINTS
Bone Loss Stable on Restricted Calorie Diet
Chronic Low Back Pain Is on the Rise
More Faces Being Spared in Motor Vehicle Accidents
CANCER
Omega-3 May Safely Treat Precancerous Bowel Polyps
Smokeout '08: The Perfect Time to Quit
Hypnosis Cuts Hot Flashes for Breast Cancer Survivors
CAREGIVING
Simpler Sleep Apnea Treatment Seems Effective, Affordable
Falls Are Top Cause of Injury, Death Among Elderly
Mom's Smoking May Lead to SIDS
CIRCULATORY SYSTEM
Migraines in Pregnancy Boost Vascular Risks
Laughter Can Boost Heart Health
Support Network May Play Role in Benefits of Drinking
COSMETIC
Study Evaluates Laser Therapies for Hair Removal
Get Sugared!.... Its a sweet choice for hair removal
Science May Banish Bad Hair Days
DENTAL, ORAL
Laser Technology Spots Cavities Before They Start
Gum Disease Treatment Doesn't Cut Preterm Birth Risk
Mom's Vitamin D Levels Affect Baby's Dental Health
DIABETES
Boosting Vitamin D Can Do a Heart Good
Doctors Urged to Screen Diabetics for Sleep Apnea
Fructose-Sweetened Drinks Up Metabolic Syndrome Risk
DIET, NUTRITION
Blueberry Drink Protects Mice From Obesity, Diabetes
School Meals Need to Get Healthier
Even in 'Last Supper,' Portion Sizes Have Grown
DISABILITIES
Review Finds Marijuana May Help MS Patients
Could Your Cell Phone Help Shield You From Alzheimer's?
ENVIRONMENTAL HEALTH
Heavy Traffic Can Be Heartbreaking
Cleaning House May Be Risky for Women With Asthma
Global Warming May Bring More Respiratory Woes
EYE CARE, VISION
Poor Night Vision May Predict Age-Related Eye Disease
Guard Kids' Eyes Against Long-Term Sun Damage
Antioxidant-Rich Diet May Protect Against Eye Disease
FITNESS
Want to Stop Cancer? You Can, Experts Say
Resistance Training Boosts Mobility in Knee Arthritis Patients
Women Who Run May Benefit From Extra Folic Acid
GASTROINTESTINAL PROBLEMS
Peppermint Oil, Fiber Can Fight Irritable Bowel
New Guidelines Issued for Management of IBS
Intestinal Bacteria Trigger Immune Response
GENERAL HEALTH
Winter's Bitter Cold Poses Health Dangers
Surgical Masks Could Prevent Flu, Maybe
Bacterial Infections May Succumb to Honey
HEAD & NECK
Many Children Will Outgrow Headaches
Ski Helmets Encouraged for All
Zen May Thicken Brain, Thwart Pain
HEALTH & TECHNOLOGY
Imaging Sheds Light on How Acupuncture Works
Study Suggests Link Between Cell Phones and Brain Tumors
Magnet Therapy May Ease Hard-to-Treat Depression
HEARING
Noise Hurts Men's Hearing More, Study Shows
Summer Sounds Can Lead to Hearing Loss
HEART & CARDIOVASCULAR
Fructose Boosts Blood Pressure, Studies Find
Implanted Defibrillators Boost Long-Term Survival
Kids With Vitamin D Deficiency Linked to Heart Trouble
INFECTIOUS DISEASE
Poor Restroom Cleaning Causes Cruise-Ship Sickness
Swine Flu Closes Three Schools in NYC
Surgical Masks Could Prevent Flu, Maybe
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Winter's Bitter Cold Poses Health Dangers
Backpack Safety Should Be on Back-to-School Lists
Teen Internet Addicts More Likely to Self-Harm: Study
MEN'S HEALTH
Low Iron Levels Cut Cancer Risk in Men With PAD
Noise Hurts Men's Hearing More, Study Shows
Countdown to Hair Loss
MENTAL HEALTH
Positive Brain Changes Seen After Body-Mind Meditation
Music Soothes Anxiety as Well as Massage Does
Eight Spiritual Universal Principles in the Art of Practice
PAIN
Tai Chi May Help Ease Fibromyalgia
Acupuncture, Real or Fake, Eases Back Pain
'Cell Phone Elbow' -- A New Ill for the Wired Age
PHYSICAL THERAPY
PREGNANCY
For Baby and Mom Alike, Breast-Feeding May Be Best
Breast-Feeding Benefits Moms and Babies
Sugary Colas Tied to Gestational Diabetes
SENIORS
Save Your Aging Brain, Try Surfing The Web
Vitamin D May Help Keep Aging at Bay
Many Cancer Survivors Don't Adopt Healthy Lifestyle
SEXUAL HEALTH
SLEEP DISORDERS
Meditation May Help Put Primary Insomnia to Bed
Better Sleep, Grades Seem to Go Up
Pay Attention to Signs That Say You're Too Fatigued to Drive
WOMEN'S HEALTH
Women Smokers Lose 14.5 Years Off Life Span
For Women, Moderate Midlife Drinking Linked to Healthier Old Age
Alternative Treatments May Boost IVF Success
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New Spray Could Benefit Cystic Fibrosis Patients

MONDAY, May 18 (HealthDay News) -- A new aerosol spray may help keep the airways of cystic fibrosis patients moist and clear, researchers say.

Using a special agent called GS-9411, the spray prevents sodium from being absorbed too quickly, which is a common problem for people with cystic fibrosis. The quick absorption of sodium from the surface of the airway causes their airways to dry, and allows mucous and bacteria to accumulate.

In tests on airway surface cells grown in a laboratory, GS-9411 helped the cells retain moisture for more than eight hours while tests on animals found the spray helped clear excessive mucus for at least four hours.

The findings were presented Sunday at the American Thoracic Society's annual international conference in San Diego.

"GS-9411 administered by aerosol can effectively increase airway surface liquid and enhance mucous clearance in an animal model," study author Andrew Hirsh, senior director of drug discovery and preclinical development for Parion Sciences, a pharmaceutical company, said in a news release. "The results demonstrate that GS-9411 warrants further investigation as a new drug therapy to decrease respiratory infection and improve pulmonary function."

In cystic fibrosis, a genetic defect causes the airway to absorb sodium, and therefore moisture, too quickly. When the airway is too dry, the body can't clear mucus, a key defense mechanism of the respiratory system, Hirsh said. This deficiency can cause cystic fibrosis patients to have chronic respiratory infection and impaired lung function, he explained.

"The potency and the length of time that the drug was effective in cells and in animal studies was an outstanding feature that distinguishes this compound from other agents," he said.

More information

The March of Dimes has more about cystic fibrosis.



-- Kevin McKeever



SOURCE: American Thoracic Society, news release, May 17, 2009

Last Updated: May 18, 2009

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