ALLERGY, RESPIRATORY
Obesity May Raise Kids' Allergy Risk
Overweight Moms More Likely to Have Asthmatic Kids
Air Pollution May Raise Blood Pressure
ALTERNATIVE MEDICINE
Health Tip: Anticipating Acupuncture
Many Cancer Patients Turn to Complementary Medicine
Imaging Sheds Light on How Acupuncture Works
ANIMAL CARE
Animals Respond to Acupuncture's Healing Touch
Safe Toys for Dogs
'Comfort Dogs' Come to Emotional Rescue
BONES & JOINTS
Majority of College Students Report Backpack-Related Pain
Alleviating Rheumatoid Arthritis
Studies Struggle to Gauge Glucosamine's Worth
CANCER
Meditation May Reduce Stress in Breast Cancer Patients
Poor Women Seem to Be Skipping Breast Cancer Drugs
Breast Self-Exam Rates Go Up With Counseling
CAREGIVING
Caregiving May Lengthen Life
Hospital Volume Imperfect Gauge of Cancer Surgery Outcomes
Exercise During Pregnancy May Help Baby
CIRCULATORY SYSTEM
Walk 100 Steps a Minute for 'Moderate' Exercise
Bad Marriages Harder on Women's Health
Bye, Bye Back Fat?
COSMETIC
Science May Banish Bad Hair Days
The Acne Drug Accutane More Than Doubles Depression Risk
New Genetic Links to Baldness Discovered
DENTAL, ORAL
Mom's Vitamin D Levels Affect Baby's Dental Health
Scientists Find Gene for Tooth Enamel
Gum Disease Might Boost Cancer Risk
DIABETES
Fish Twice a Week Cuts Diabetics' Kidney Risks
Fructose-Sweetened Drinks Up Metabolic Syndrome Risk
24 Million Americans Had Diabetes in 2007
DIET, NUTRITION
Coffee or Tea Consumption May Lower Stroke Risk
6 Million U.S. Kids Lack Enough Vitamin D
B Vitamins Might Lower Stroke Risk
DISABILITIES
Review Finds Marijuana May Help MS Patients
Could Your Cell Phone Help Shield You From Alzheimer's?
ENVIRONMENTAL HEALTH
Main Ingredients in Household Dust Come From Outdoors
Bed Bugs Bring No Disease Danger
Population-Based Strategy Urged to Cut U.S. Obesity Rate
EYE CARE, VISION
Glaucoma Treatment Can Prevent Blindness
When Corks Fly, Watch the Eyes
Clues Found to Brain Mechanism Behind Migraines
FITNESS
Meditation May Help Put Primary Insomnia to Bed
More Steps a Day Lead to Better Health
Tai Chi and Qigong Offer Many Health Benefits: Review
GASTROINTESTINAL PROBLEMS
New Yogurt May Ease Stomach Ulcers
New Guidelines Issued for Management of IBS
Olive Oil May Protect Against Bowel Disease
GENERAL HEALTH
Hidden Salt in Diet Haunts Many With Heart Failure
Reminiscing Helps Build Emotional Strength
Music Therapy For Prehistoric Man?
HEAD & NECK
Many Children Will Outgrow Headaches
Zen May Thicken Brain, Thwart Pain
Ski Helmets Encouraged for All
HEALTH & TECHNOLOGY
Combating Myths About Seasonal Allergies
Using Light Therapy to Silence Harmful Brain Activity
Imaging Sheds Light on How Acupuncture Works
HEARING
Noise Hurts Men's Hearing More, Study Shows
Summer Sounds Can Lead to Hearing Loss
HEART & CARDIOVASCULAR
Kids With Vitamin D Deficiency Linked to Heart Trouble
Whole Grains Lower Risk of Heart Failure
Heart Disease May Be Prevented By Taking Fish Oils, Study Shows
INFECTIOUS DISEASE
Swine Flu Now Reported in All 50 States
Poor Restroom Cleaning Causes Cruise-Ship Sickness
Viral Infection Might Trigger High Blood Pressure
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Dangerous Toys Still on Store Shelves, Report Finds
Safety Should Be Priority for Those Involved in Kids' Sports
Plastics Chemical Tied to Aggression in Young Girls
MEN'S HEALTH
Drinking Green Tea May Slow Prostate Cancer
Could Chinese Herb Be a Natural Viagra?
Whole Grains, Bran May Fight Hypertension in Men
MENTAL HEALTH
A Little Alcohol May Stave Off Alzheimer's
Meaningful Conversations Boost Kids' Language Skills
Meditation May Boost College Students' Learning
PAIN
Alleviating Rheumatoid Arthritis
Tai Chi May Help Ease Fibromyalgia
Acupuncture, Real or Fake, Eases Back Pain
PHYSICAL THERAPY
PREGNANCY
Calcium Supplements Cut Blood Lead Levels During Pregnancy
For Baby and Mom Alike, Breast-Feeding May Be Best
Heart Defects in Newborns Linked to Antidepressants
SENIORS
Vitamin D May Help Keep Aging at Bay
Want Better Health in the New Year, Add Exercise to Your Day
Protein Deposits May Show Up Before Memory Problems Occur, Study Says
SEXUAL HEALTH
SLEEP DISORDERS
6 to 8 Hours of Shut-Eye Is Optimal for Health
Sleeping Could Help Women Lose The Baby Fat
Pay Attention to Signs That Say You're Too Fatigued to Drive
WOMEN'S HEALTH
Acupuncture May Ease Depression During Pregnancy
Frankincense Provides Relief for Osteoarthritis
Occaisonal Dieting May Cut Breast Cancer, Study Says
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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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