ALLERGY, RESPIRATORY
Combating Myths About Seasonal Allergies
Air Quality Better in Northeast, Midwest
'Safe' Ozone Levels May Not Be for Some
ALTERNATIVE MEDICINE
Pharoah's Wine Jar Yields Medicinal Secrets
Holistic Treatment for Candida Infection
Relaxation Tapes or Mozart Lower Blood Pressure
ANIMAL CARE
Rest Easy. When It Comes to Swine Flu, Your Pet Is Safe
'Comfort Dogs' Come to Emotional Rescue
Separation Anxiety, Canine-Style
BONES & JOINTS
More Faces Being Spared in Motor Vehicle Accidents
Most Women With Osteoporosis Unaware of Raised Fracture Risk
Barefoot Lifestyle Has Its Dangers
CANCER
Herb May Counter Liver Damage From Chemo
Sharing Cancer Info May Be Empowering
Gene Screen May Predict Colon Cancer's Return
CAREGIVING
Health Tip: Benefitting From Adult Day Care
Mom's Smoking May Lead to SIDS
Caregiving May Lengthen Life
CIRCULATORY SYSTEM
Tai Chi and Qigong Offer Many Health Benefits: Review
Varicose Veins May Mask Larger Problem
Smog Tougher on the Obese
COSMETIC
Study Evaluates Laser Therapies for Hair Removal
Gum Chewing May Cut Craving for Snacks
Wrinkle Fillers Need Better Label Warnings: FDA Panel
DENTAL, ORAL
Laser Technology Spots Cavities Before They Start
Gum Disease May Reactivate AIDS Virus
Obesity Boosts Gum Disease Risk
DIABETES
Formula Puts Doctor, Patient Glucose Readings on Same Page
Drug May Not Help Diabetes-Related Eye Damage
Boosting Vitamin D Can Do a Heart Good
DIET, NUTRITION
Compound in Red Wine Fights Ravages of Age
B Vitamins Might Lower Stroke Risk
Coffee Drinking Lowers Women's Stroke Risk
DISABILITIES
Could Your Cell Phone Help Shield You From Alzheimer's?
Review Finds Marijuana May Help MS Patients
ENVIRONMENTAL HEALTH
Hairspray Exposure Ups Risk for Birth Defect in Sons
Pesticides Linked to Parkinson's
Preparing for a Chlorine Gas Disaster
EYE CARE, VISION
Brain Pressure More Likely to Cause Vision Loss in Men
Protein Might One Day Prevent Blindness
Eye Test Could Spot Diabetes Vision Trouble Early
FITNESS
'Safe' Ozone Levels May Not Be for Some
As Temperature Plummets, It's Still Safe to Exercise
Marathoners Go the Distance on Heart Health
GASTROINTESTINAL PROBLEMS
New Yogurt May Ease Stomach Ulcers
Peppermint Oil, Fiber Can Fight Irritable Bowel
New Guidelines Issued for Management of IBS
GENERAL HEALTH
Music Therapy For Prehistoric Man?
Heart Disease May Be Prevented By Taking Fish Oils, Study Shows
The Juice From Beetroots May Boost Stamina
HEAD & NECK
Many Children Will Outgrow Headaches
Zen May Thicken Brain, Thwart Pain
Ski Helmets Encouraged for All
HEALTH & TECHNOLOGY
Study Suggests Link Between Cell Phones and Brain Tumors
E-Mailing Your Way to Healthier Habits
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
Small Cuts in Salt Intake Spur Big Drops in Heart Trouble
More Steps a Day Lead to Better Health
Too Much Red Meat May Shorten Life Span
INFECTIOUS DISEASE
Dry Weather Boosts Odds of Flu Outbreaks
Viral Infection Might Trigger High Blood Pressure
Swine Flu Now Reported in All 50 States
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Don't Leave Your Kids In The Car !
School Meals Need to Get Healthier
Even Young Kids Can Learn CPR
MEN'S HEALTH
More Vitamin C May Mean Less Chance of Gout
Low Vitamin D Levels May Boost Men's Heart Attack Risk
Soy Linked to Low Sperm Count
MENTAL HEALTH
Keeping a Healthy Holiday Balance
Brain Scans Show How Humans 'Hear' Emotion
Music Soothes Anxiety as Well as Massage Does
PAIN
Tai Chi May Help Ease Fibromyalgia
'Cell Phone Elbow' -- A New Ill for the Wired Age
Acupuncture, Real or Fake, Eases Back Pain
PHYSICAL THERAPY
PREGNANCY
Yoga's Benefits Outweigh Risks for Pregnant Women
Alternative Treatments May Boost IVF Success
Acupuncture May Relieve Acid Indigestation In Pregnancy
SENIORS
Community Exercise Programs Boost Seniors' Strength
Seniors Who Volunteer May Live Longer
15-Point Test Gauges Alzheimer's Risk
SEXUAL HEALTH
SLEEP DISORDERS
6 to 8 Hours of Shut-Eye Is Optimal for Health
Pay Attention to Signs That Say You're Too Fatigued to Drive
Daylight Savings: Not a Bright Time for All
WOMEN'S HEALTH
Pre-Pregnancy Weight Linked to Babies' Heart Problems
Simple Carbs Pose Heart Risk for Women
Frankincense Provides Relief for Osteoarthritis
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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