ALLERGY, RESPIRATORY
Folic Acid Might Offer Allergy Relief
Keep Asthma, Allergies at Bay for the Holidays
Air Quality Better in Northeast, Midwest
ALTERNATIVE MEDICINE
Many Cancer Patients Turn to Complementary Medicine
When Healing Becomes a Commodity
Cranberries May Help Prevent Urinary Tract Infections
ANIMAL CARE
Beware of Dog Bites
Rest Easy. When It Comes to Swine Flu, Your Pet Is Safe
Separation Anxiety, Canine-Style
BONES & JOINTS
Majority of College Students Report Backpack-Related Pain
Alleviating Rheumatoid Arthritis
Hip Replacement Boosts Mobility at Any Age
CANCER
Hypnosis Cuts Hot Flashes for Breast Cancer Survivors
Supplements Might Reduce Breast Cancer Risk
Steady Weight Gain Boosts Late-Life Breast Cancer Risk
CAREGIVING
Tiniest Babies Carry Biggest Costs
Baby's Sleep Position May Not Affect Severity of Head Flattening
Few Hospitals Embracing Electronic Health Record Systems
CIRCULATORY SYSTEM
Potassium-Rich Foods May Cut Stroke, Heart Disease Risk
High Blood Fat Levels Common in Americans
Migraines in Pregnancy Boost Vascular Risks
COSMETIC
What to Do If You Have Unsightly Veins
With Psoriasis, the Internet May Offer Hope
Science May Banish Bad Hair Days
DENTAL, ORAL
Obesity Boosts Gum Disease Risk
Hormones May Be to Blame for Women's Cavity Rates
Good Oral Hygiene May Protect Against Heart Infections
DIABETES
Out-of-Control Blood Sugar May Affect Memory
Coffee, Tea Might Stave Off Diabetes
Vitamin K Slows Insulin Resistance in Older Men
DIET, NUTRITION
Red Meat No No No But Oily Fish Yes Yes Yes
Teens Lose More Weight Using Healthy Strategies
The Food Irradiation Story
DISABILITIES
Could Your Cell Phone Help Shield You From Alzheimer's?
Review Finds Marijuana May Help MS Patients
ENVIRONMENTAL HEALTH
Air Pollution May Cause Appendicitis: Study Reveals
Hairspray Exposure Ups Risk for Birth Defect in Sons
Freckles, Moles May Indicate Risk for Eye Cancer
EYE CARE, VISION
Diabetic Eye Disease Rates Soaring
Impotence Drugs Don't Harm Vision: Study
Retinal Gene Is Linked to Childhood Blindness
FITNESS
Strenuous Daily Workout May Keep Cancer at Bay
The 3LS Wellness Program for Reversing Chronic Symptoms and Creating Lasting Health
Keep Safety in Mind While Your Kids Are Cooling Off in the Water
GASTROINTESTINAL PROBLEMS
Olive Oil May Protect Against Bowel Disease
Peppermint Oil, Fiber Can Fight Irritable Bowel
New Guidelines Issued for Management of IBS
GENERAL HEALTH
6 to 8 Hours of Shut-Eye Is Optimal for Health
When Clocks Change, Body May Need Time to Adjust
Why Am I So Tired? Could It Be Low Thyroid?
HEAD & NECK
Many Children Will Outgrow Headaches
Ski Helmets Encouraged for All
Zen May Thicken Brain, Thwart Pain
HEALTH & TECHNOLOGY
Using Light Therapy to Silence Harmful Brain Activity
Magnet Therapy May Ease Hard-to-Treat Depression
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
Cocoa in Chocolate May Be Good for the Heart
Rheumatoid Arthritis a Threat to the Heart
Laughter Can Boost Heart Health
INFECTIOUS DISEASE
Chinese 'Devil Dung' Plant Could Be a Swine Flu Fighter
Swine Flu Closes Three Schools in NYC
Poor Restroom Cleaning Causes Cruise-Ship Sickness
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Scorpion Anti-Venom Speeds Children's Recovery
Fussy Babys Could Be Out Of Your Control
Traffic, Dust Linked to Asthma in Kids
MEN'S HEALTH
Countdown to Hair Loss
Lots of Sex May Prevent Erectile Dysfunction
The Dark Side of Vegetarianism
MENTAL HEALTH
Meditation May Boost College Students' Learning
Heal Your Life® Tips for Living Well
A Simple 'Thank You' Brings Rewards to All
PAIN
Alleviating Rheumatoid Arthritis
Acupuncture, Real or Fake, Eases Back Pain
Are We Exercising Pain Away? Not So Much.
PHYSICAL THERAPY
PREGNANCY
Heart Defects in Newborns Linked to Antidepressants
Expectant Mom's Exercise Keeps Newborn's Birth Weight Down
Sleeping Could Help Women Lose The Baby Fat
SENIORS
A Little Alcohol May Stave Off Alzheimer's
Living Alone Increases Odds of Developing Dementia
The Healthy Habits of Centenarians
SEXUAL HEALTH
SLEEP DISORDERS
Exercising Throat Muscles May Relieve Sleep Apnea
Lose Weight, Sleep Apnea May Improve
Daylight Savings: Not a Bright Time for All
WOMEN'S HEALTH
Vitamin D Deficiency Puts 40% of U.S. Infants and Toddlers At Risk
Exercise During Pregnancy Keeps Newborn Size Normal
Being Active an Hour a Day Puts Brakes on Weight Gain
Add your Article

Green Tea May Help Brain Cope With Sleep Disorders

THURSDAY, May 22 (HealthDay News) -- Green tea may counter the cognitive problems that come with obstructive sleep apnea (OSA), a new study suggests.

Green tea polyphenols (GTP) appear to negate the increased oxidative stress that affects brain tissue in areas involved in learning and memory in people with OSA, reports the study, published in the second issue for May of the American Journal of Respiratory and Critical Care Medicine. GTPs are known to possess antioxidant properties.

The conclusion is based on giving drinking water laced with GTP to rats intermittently deprived of oxygen during 12-hour "night" cycles -- a condition that mimics the intermittent hypoxia (IH) that humans with OSA experience. The rats that drank green tea-treated water performed significantly better in a maze than rats that consumed plain water.

"GTP-treated rats exposed to IH displayed significantly greater spatial bias for the previous hidden platform position, indicating that GTPs are capable of attenuating IH-induced spatial learning deficits," lead author Dr. David Gozal, director of Kosair Children's Hospital Research Institute at the University of Louisville, said in a prepared statement. He added that GTPs "may represent a potential interventional strategy for patients" with sleep-disordered breathing.

"OSA has been increasingly recognized as a serious and frequent health condition with potential long-term morbidities that include learning and psychological disabilities," Gozal said. "A growing body of evidence suggests that the adverse neurobehavioral consequences imposed by IH stem, at least in part, from oxidative stress and inflammatory signaling cascades."

More information

The U.S. National Center for Complementary and Alternative Medicine has more about green tea.



-- Kevin McKeever



SOURCE: American Thoracic Society, news release, May 15, 2008

Last Updated: May 22, 2008

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