ALLERGY, RESPIRATORY
Childhood Food Allergies on the Rise
'Safe' Ozone Levels May Not Be for Some
Herbal Remedy Could Halt Peanut Allergy
ALTERNATIVE MEDICINE
Taking the Mystery Out of Hypnotherapy
Relaxation Tapes or Mozart Lower Blood Pressure
Soybean Chemicals May Reduce Effects of Menopause
ANIMAL CARE
Rest Easy. When It Comes to Swine Flu, Your Pet Is Safe
Animals Respond to Acupuncture's Healing Touch
Beware of Dog Bites
BONES & JOINTS
For All Their Plusses, Pets Pose a Risk for Falls, Too
Almost Half of Adults Will Develop Knee Osteoarthritis by 85
Fruits and Veggies May Strengthen Bones
CANCER
No Verdict Yet on Grape Seed Extract vs. Breast Cancer
Ginger Can Ease Nausea From Chemotherapy Treatments
Quitting Smoking Doubles Survival in Early Stage Lung Cancer
CAREGIVING
Distance No Bar to Kidney Transplants in Remote Areas
More Than 60,000 Patients Risked Hepatitis Infections
Memory Loss Help from Brain Supplement Prevagen
CIRCULATORY SYSTEM
Bye, Bye Back Fat?
Years of Exposure to Traffic Pollution Raises Blood Pressure
Support Network May Play Role in Benefits of Drinking
COSMETIC
Mouse Study Finds Molecule That Tells Hair to Grow
Gum Chewing May Cut Craving for Snacks
Wrinkle Fillers Need Better Label Warnings: FDA Panel
DENTAL, ORAL
Scientists Find Gene for Tooth Enamel
Gum Disease Might Boost Cancer Risk
Biological Product Shows Promise Against Gum Disease
DIABETES
Fructose-Sweetened Drinks Up Metabolic Syndrome Risk
Doctors Urged to Screen Diabetics for Sleep Apnea
Strict Blood Sugar Lowering Won't Ease Diabetes Heart Risk
DIET, NUTRITION
Six Healthy-Sounding Foods That Really Aren't
Eating Less May Slow Aging Process
Low Vitamin A, C Intake Tied to Asthma Risk
DISABILITIES
Could Your Cell Phone Help Shield You From Alzheimer's?
Review Finds Marijuana May Help MS Patients
ENVIRONMENTAL HEALTH
1976 Italian Dioxin Release Damaged Babies' Thyroids
Heavy Traffic Can Be Heartbreaking
Gene Explains How High-Fructose Diets Lead to Insulin Resistance
EYE CARE, VISION
Unconscious Learning: In the Eye of the Beholder?
Contact Lens Cases Often Contaminated
Stem Cells Repair Damaged Corneas in Mice
FITNESS
Community Exercise Programs Boost Seniors' Strength
Almost Two-Thirds of Americans Meet Exercise Guidelines
Tai Chi and Qigong Offer Many Health Benefits: Review
GASTROINTESTINAL PROBLEMS
HRT Use Raises Risk of Stomach Trouble
Soothing Imagery May Help Rid Some Kids of Stomach Pain
Traditional Nonsurgical GERD Treatments Not Impressive
GENERAL HEALTH
Study Supports Swine Flu's Pandemic Potential
Swine Flu Fatality Rate a 'Little Bit' Higher Than That of Seasonal Flu
Parents Influence Sex Decisions, Hispanic Teens Say
HEAD & NECK
Ski Helmets Encouraged for All
Many Children Will Outgrow Headaches
Zen May Thicken Brain, Thwart Pain
HEALTH & TECHNOLOGY
E-Mailing Your Way to Healthier Habits
'Cell Phone Elbow' -- A New Ill for the Wired Age
Using Light Therapy to Silence Harmful Brain Activity
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
Most Fast-Food French Fries Cooked in Unhealthiest Oil
Coffee Is Generally Heart-Friendly
INFECTIOUS DISEASE
Dry Weather Boosts Odds of Flu Outbreaks
Hand Washing 10 Times a Day May Help Keep Flu Away
Grapefruit Compound Inhibits Hepatitis C Virus
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Bullying Seems to Affect Kids Years Later
6 Million U.S. Kids Lack Enough Vitamin D
Health Tip: Back Pain in Children
MEN'S HEALTH
Vigorous Exercise Cuts Stroke Risk for Men, Not Women
Eating Fast Until Full Triples Overweight Risk
More Vitamin C May Mean Less Chance of Gout
MENTAL HEALTH
Reminiscing Helps Build Emotional Strength
Eight Spiritual Universal Principles in the Art of Practice
Meaningful Conversations Boost Kids' Language Skills
PAIN
Are We Exercising Pain Away? Not So Much.
'Cell Phone Elbow' -- A New Ill for the Wired Age
Tai Chi May Help Ease Fibromyalgia
PHYSICAL THERAPY
PREGNANCY
Acupuncture May Relieve Acid Indigestation In Pregnancy
Calcium Supplements Cut Blood Lead Levels During Pregnancy
Exercise As Well As Acupuncture, May Ease Polycystic Ovarian Syndrome
SENIORS
Exercise Helps Reduce Falls in Young and Old
Want Better Health in the New Year, Add Exercise to Your Day
Nighttime Urination Linked to Higher Death Rate Among Elderly
SEXUAL HEALTH
SLEEP DISORDERS
Exercising Throat Muscles May Relieve Sleep Apnea
6 to 8 Hours of Shut-Eye Is Optimal for Health
Pay Attention to Signs That Say You're Too Fatigued to Drive
WOMEN'S HEALTH
Air Pollution Slows Women's Marathon Times
Postmenopausal Women With Breast Cancer Face Joint Issues
Health Tip: Be More Comfortable During Childbirth
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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