ALLERGY, RESPIRATORY
Herbal Remedy Could Halt Peanut Allergy
Climate Change Could Sting Allergy, Asthma Sufferers
Combating Myths About Seasonal Allergies
ALTERNATIVE MEDICINE
Holistic Treatment for Candida Infection
Regular Yoga May Improve Eating Habits
Garlic Yields Up Its Health Secret
ANIMAL CARE
Animals Respond to Acupuncture's Healing Touch
Separation Anxiety, Canine-Style
Beware of Dog Bites
BONES & JOINTS
Too Few Screened for Abdominal Aneurysm, Study Says
Living Near Major Road May Boost Rheumatoid Arthritis Risk
Vitamin C Protects Some Elderly Men From Bone Loss
CANCER
More Cancer Tests Mean More False-Positive Results
Adding Garlic Might Cut Cancer Risk
Yoga Eases Sleep Problems Among Cancer Survivors
CAREGIVING
3 Steps Might Help Stop MRSA's Spread
Caregiving May Lengthen Life
Omega-3 Fatty Acid May Help 'Preemie' Girls' Brains
CIRCULATORY SYSTEM
Secondhand Smoke Quickly Affects Blood Vessels
Years of Exposure to Traffic Pollution Raises Blood Pressure
Night Shift Work Hard on the Heart
COSMETIC
Get Sugared!.... Its a sweet choice for hair removal
Contact Lenses Boost Kids' Self-Image
What to Do If You Have Unsightly Veins
DENTAL, ORAL
Study Links Osteoporosis Drugs to Jaw Trouble
Amino Acid May Be Key to Strong Teeth
Rheumatoid Arthritis May Harm Gums
DIABETES
Fructose-Sweetened Drinks Up Metabolic Syndrome Risk
Patients' Photos Help Boost Radiologists' Accuracy
Out-of-Control Blood Sugar May Affect Memory
DIET, NUTRITION
The Raw Food Diet
Trans-Fat Ban In New York City Is Proving successful
Heart Disease May Be Prevented By Taking Fish Oils, Study Shows
DISABILITIES
Could Your Cell Phone Help Shield You From Alzheimer's?
Review Finds Marijuana May Help MS Patients
ENVIRONMENTAL HEALTH
As Earth Warms, Lyme Disease Could Flourish
Scorpion Anti-Venom Speeds Children's Recovery
Database Helps Assess Your Breast Cancer Risk
EYE CARE, VISION
Half of U.S. Adults Lack 20/20 Vision
Kids Who Spend More Time Outdoors Have Better Vision
Gene-Transfer Proves Safe for Vision Problem
FITNESS
Fitness Fades Fast After 45
Strenuous Daily Workout May Keep Cancer at Bay
Barefoot Best for Running?
GASTROINTESTINAL PROBLEMS
Soothing Imagery May Help Rid Some Kids of Stomach Pain
HRT Use Raises Risk of Stomach Trouble
Traditional Nonsurgical GERD Treatments Not Impressive
GENERAL HEALTH
Less Education May Mean Poorer Health
Eating Healthy : You Can Live Longer
U.S. Prepares for Possible Return of Swine Flu in Fall
HEAD & NECK
Ski Helmets Encouraged for All
Zen May Thicken Brain, Thwart Pain
Many Children Will Outgrow Headaches
HEALTH & TECHNOLOGY
Save Your Aging Brain, Try Surfing The Web
Imaging Sheds Light on How Acupuncture Works
The Internet Is Becoming One-Stop Shopping for Health Help
HEARING
Noise Hurts Men's Hearing More, Study Shows
Summer Sounds Can Lead to Hearing Loss
HEART & CARDIOVASCULAR
Toothbrushing May Stave Off Heart Woes
How Weight Loss Can Help the Heart
Coffee Is Generally Heart-Friendly
INFECTIOUS DISEASE
Surgical Masks Could Prevent Flu, Maybe
Hand Washing 10 Times a Day May Help Keep Flu Away
Poor Restroom Cleaning Causes Cruise-Ship Sickness
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Stomach Germ May Protect Against Asthma
St. John's Wort Doesn't Work for ADHD
Should Your Child Be Seeing a Chiropractor?
MEN'S HEALTH
Noise Hurts Men's Hearing More, Study Shows
Sunlight May Help Protect Men From Kidney Cancer
Low Iron Levels Cut Cancer Risk in Men With PAD
MENTAL HEALTH
Environmental Chemicals May Affect Male Reproduction
Meditation May Boost College Students' Learning
The Acne Drug Accutane More Than Doubles Depression Risk
PAIN
Are We Exercising Pain Away? Not So Much.
Acupuncture, Real or Fake, Eases Back Pain
Tai Chi May Help Ease Fibromyalgia
PHYSICAL THERAPY
PREGNANCY
Calcium Supplements Cut Blood Lead Levels During Pregnancy
Breast-Feeding Benefits Moms and Babies
Breast-Feeding May Protect a Woman's Heart
SENIORS
Daily dose of beet juice promotes brain health in older adults
Keeping Mentally Active Seems To Keep The Brain Active
Fitness Fades Fast After 45
SEXUAL HEALTH
SLEEP DISORDERS
Daylight Savings: Not a Bright Time for All
Exercising Throat Muscles May Relieve Sleep Apnea
Pay Attention to Signs That Say You're Too Fatigued to Drive
WOMEN'S HEALTH
Rheumatoid Arthritis Rising Among U.S. Women
Acupuncture May Help Relieve Polycystic Ovary Syndrome
Sugary Colas Tied to Gestational Diabetes
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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