- ALLERGY, RESPIRATORY
- Folic Acid Might Offer Allergy Relief
- Keep Asthma, Allergies at Bay for the Holidays
- Obesity May Raise Kids' Allergy Risk
- ALTERNATIVE MEDICINE
- Cranberries May Help Prevent Urinary Tract Infections
- Awareness of Alternative Therapies May Be Lacking
- Maggots as Good as Gel in Leg Ulcer Treatments
- ANIMAL CARE
- Animals Respond to Acupuncture's Healing Touch
- 'Comfort Dogs' Come to Emotional Rescue
- Rest Easy. When It Comes to Swine Flu, Your Pet Is Safe
- BONES & JOINTS
- Rheumatoid Arthritis a Threat to the Heart
- Postmenopausal Women With Breast Cancer Face Joint Issues
- Vitamin K Doesn't Slow Bone Loss
- CANCER
- Gene Studies Reveal Cancer's Secrets
- Steady Weight Gain Boosts Late-Life Breast Cancer Risk
- Vitamin D May Improve Melanoma Survival
- CAREGIVING
- Older Caregivers Prone to Worse Sleep Patterns
- Birthmark or Blood Vessel Problem?
- Few Hospitals Embracing Electronic Health Record Systems
- CIRCULATORY SYSTEM
- Tai Chi and Qigong Offer Many Health Benefits: Review
- Firefighters Have Narrower-Than-Normal Arteries, Study Finds
- Salt Boosts Blood Pressure in High-Risk Patients
- COSMETIC
- What to Do If You Have Unsightly Veins
- Mouse Study Finds Molecule That Tells Hair to Grow
- Science May Banish Bad Hair Days
- DENTAL, ORAL
- Laser Technology Spots Cavities Before They Start
- Rheumatoid Arthritis May Harm Gums
- Gum Care Helps Control Type 2 Diabetes and Its Complications
- DIABETES
- Americans Consuming More Sugary Beverages
- Patients' Photos Help Boost Radiologists' Accuracy
- Arthritis Hits More Than Half of Diabetics
- DIET, NUTRITION
- Imagine Food Aromas That Prevent Overeating
- Decline of Underweight Children in U.S. Continue to Fall
- 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
- Bed Bugs Bring No Disease Danger
- Smog Tougher on the Obese
- As Earth Warms, Lyme Disease Could Flourish
- EYE CARE, VISION
- Clues Found to Brain Mechanism Behind Migraines
- FDA Goes After Unapproved Eye Washes, Skin Ointments
- Kids Who Spend More Time Outdoors Have Better Vision
- FITNESS
- Meditation May Help Put Primary Insomnia to Bed
- Tai Chi and Qigong Offer Many Health Benefits: Review
- Consciousness Helps the Mind and Body Work Together
- GASTROINTESTINAL PROBLEMS
- Intestinal Bacteria Trigger Immune Response
- Bowel Prep Harder on Women Than Men
- Japanese Herbals May Ease Gastro Woes
- GENERAL HEALTH
- Swine Flu May Have Infected More Than 100,000 Americans
- When Healing Becomes a Commodity
- More Single Women Are Having Babies
- HEAD & NECK
- Ski Helmets Encouraged for All
- Many Children Will Outgrow Headaches
- Zen May Thicken Brain, Thwart Pain
- HEALTH & TECHNOLOGY
- The Internet Is Becoming One-Stop Shopping for Health Help
- Airport Full Body Scanners Pose No Health Threat: Experts
- Save Your Aging Brain, Try Surfing The Web
- HEART & CARDIOVASCULAR
- Whole Grains Lower Risk of Heart Failure
- Review Confirms Links Between Diet, Heart Health
- Most Fast-Food French Fries Cooked in Unhealthiest Oil
- INFECTIOUS DISEASE
- Older Adults May Have Some Immunity to Swine Flu
- Poor Restroom Cleaning Causes Cruise-Ship Sickness
- Surgical Masks Could Prevent Flu, Maybe
- KID'S HEALTH
- Traffic Seems to Make Kids' Asthma Worse
- Health Tip: Back Pain in Children
- Too Many Infants Short on Vitamin D
- MEN'S HEALTH
- Soy Linked to Low Sperm Count
- Sunlight May Help Protect Men From Kidney Cancer
- Exercise May Prevent Prostate Cancer: Study Shows
- MENTAL HEALTH
- Brain Scans Show How Humans 'Hear' Emotion
- Love Hormone May Ease Discussion of Painful Topics
- Estrogen May Help Men's Hearts
- PAIN
- 'Cell Phone Elbow' -- A New Ill for the Wired Age
- Alleviating Rheumatoid Arthritis
- Are We Exercising Pain Away? Not So Much.
- PREGNANCY
- Exercise Boosts Bone Density in Breast-Feeding Moms
- Heart Defects in Newborns Linked to Antidepressants
- Breast-Feeding May Protect a Woman's Heart
- SENIORS
- For a Healthier Retirement, Work a Little
- Many Cancer Survivors Don't Adopt Healthy Lifestyle
- Tai Chi May Help Ease Fibromyalgia
Green Tea May Help Brain Cope With Sleep Disorders
By eHolistic.com Published: 05/22/2008
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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