ALLERGY, RESPIRATORY
Combating Myths About Seasonal Allergies
Know Your Asthma Triggers
Herbal Remedy Could Halt Peanut Allergy
ALTERNATIVE MEDICINE
Should Your Child Be Seeing a Chiropractor?
Bitter Melon Extract May Slow, Stop Breast Cancer
Acupuncture, Real or Fake, Eases Back Pain
ANIMAL CARE
Separation Anxiety, Canine-Style
Rest Easy. When It Comes to Swine Flu, Your Pet Is Safe
Animals Respond to Acupuncture's Healing Touch
BONES & JOINTS
Fractures in Older Adults Up Death Risk
Tai Chi May Help Ward Off Knee Pain in Seniors
Chronic Low Back Pain Is on the Rise
CANCER
Green Tea Compound Slowed Chronic Lymphocytic Leukemia
Multiple Screening Strategy Boosts Cervical Cancer Detection
Exercise Cuts Lung Cancer Risk in Ex-Smokers by 45%
CAREGIVING
More Than 60,000 Patients Risked Hepatitis Infections
Health Tip: Benefitting From Adult Day Care
Hospital Volume Imperfect Gauge of Cancer Surgery Outcomes
CIRCULATORY SYSTEM
Varicose Veins May Mask Larger Problem
Exercise Extends Life of Kidney Patients
Health Tip: Are You Anemic?
COSMETIC
The Acne Drug Accutane More Than Doubles Depression Risk
Health Tip: After Liposuction
Gum Chewing May Cut Craving for Snacks
DENTAL, ORAL
Acid Drinks Blamed for Increase in Tooth Erosion
Rheumatoid Arthritis May Harm Gums
A Sweet Way to Shield Baby's Teeth
DIABETES
Americans Consuming More Sugary Beverages
Poor Blood Sugar Control After Heart Surgery Impacts Outcomes
Doctors Urged to Screen Diabetics for Sleep Apnea
DIET, NUTRITION
Fasting on Alternate Days May Make Dieting Easier
Coffee Beans May Be Newest Stress-Buster
Coffee Drinkers Might Live Longer
DISABILITIES
Could Your Cell Phone Help Shield You From Alzheimer's?
Review Finds Marijuana May Help MS Patients
ENVIRONMENTAL HEALTH
Pregnant Rural Women More at Risk
Small Doses of Carbon Monoxide Might Help Stroke Victims
'Safe' Ozone Levels May Not Be for Some
EYE CARE, VISION
Americans Losing Sight of Eye Health
Eye Test Could Spot Diabetes Vision Trouble Early
Eye Problems, Hearing Loss May Be Linked
FITNESS
Exercise Cuts Lung Cancer Risk in Ex-Smokers by 45%
The 3LS Wellness Program for Reversing Chronic Symptoms and Creating Lasting Health
Antioxidants Blunt Exercise Benefit, Study Shows
GASTROINTESTINAL PROBLEMS
Traditional Nonsurgical GERD Treatments Not Impressive
Intestinal Bacteria Trigger Immune Response
New Yogurt May Ease Stomach Ulcers
GENERAL HEALTH
Vinegar Might Help Keep Off Pounds
How Weight Loss Can Help the Heart
Good Sleepers More Likely to Eat Right
HEAD & NECK
Ski Helmets Encouraged for All
Zen May Thicken Brain, Thwart Pain
Many Children Will Outgrow Headaches
HEALTH & TECHNOLOGY
E-Mailing Your Way to Healthier Habits
Using Light Therapy to Silence Harmful Brain Activity
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
Implanted Defibrillators Boost Long-Term Survival
A Little Chocolate May Do the Heart Good
Irregular Heartbeat Tied to Alzheimer's Disease
INFECTIOUS DISEASE
Chinese 'Devil Dung' Plant Could Be a Swine Flu Fighter
Swine Flu Loves a Crowd
More Medicinal Uses for Pomegranate
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Quick Orthopedic Repair Can Save Young Shoulders
Music May Temper Pain in Preemies
Decline of Underweight Children in U.S. Continue to Fall
MEN'S HEALTH
Low Iron Levels Cut Cancer Risk in Men With PAD
Drinking Green Tea May Slow Prostate Cancer
Whole Grains, Bran May Fight Hypertension in Men
MENTAL HEALTH
How to Attack Holiday Stress Head-On
Chocolate a Sweet Pick-Me-Up for the Depressed
Bullying Seems to Affect Kids Years Later
PAIN
'Cell Phone Elbow' -- A New Ill for the Wired Age
Alleviating Rheumatoid Arthritis
Acupuncture, Real or Fake, Eases Back Pain
PHYSICAL THERAPY
PREGNANCY
Acupuncture May Ease Depression During Pregnancy
Woman in America Are Delaying Motherhood, Study Says
Yoga's Benefits Outweigh Risks for Pregnant Women
SENIORS
Daily dose of beet juice promotes brain health in older adults
Keeping Mentally Active Seems To Keep The Brain Active
Seniors Who Volunteer May Live Longer
SEXUAL HEALTH
SLEEP DISORDERS
Meditation May Help Put Primary Insomnia to Bed
6 to 8 Hours of Shut-Eye Is Optimal for Health
Sleeping Could Help Women Lose The Baby Fat
WOMEN'S HEALTH
Sleeping Could Help Women Lose The Baby Fat
Acupuncture May Ease Depression During Pregnancy
Smoking Ups Risk of Second Breast Cancer
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No Verdict Yet on Grape Seed Extract vs. Breast Cancer

THURSDAY, April 23 (HealthDay News) -- More research is needed to determine whether grape seed extract lowers hormone levels in postmenopausal women and provides protection against breast cancer, say researchers at the City of Hope cancer center in Duarte, Calif.

Because studies have suggested that grape seed extract inhibits aromatase, an enzyme that helps in estrogen production, the researchers looked at whether grape seed extract supplements could lower hormone levels in postmenopausal women.

What they found was a dramatic and sustained decrease in one patient with high baseline estrogen levels. But variable baseline hormone levels in the participants prevented them from reaching firm conclusions, they said.

Their findings were presented at the annual meeting of the American Association for Cancer Research, in Denver.

"We found that there are many variables that affect a woman's hormone level, including diet, concurrent medications and other supplements," the study's leader, Dr. Melanie Palomares, an assistant professor of cancer screening and prevention, said in a City of Hope news release.

"It was difficult to ascribe changes observed so far directly to the grape seed extract supplements, though three of the seven participants treated on the highest dose level had results showing promise," she said. "Our pharmacokinetic observations in this trial merit further investigations to evaluate the prevention benefits of grape seed extract."

Palomares is continuing the research with higher doses of grape seed extract in more carefully selected women. Once the most appropriate dose is determined, she plans to conduct a follow-up clinical trial to measure how grape seed extract affects breast tissue risk biomarkers.

More information

The U.S. National Cancer Institute has more about breast cancer prevention.



-- Robert Preidt



SOURCE: City of Hope, news release, April 21, 2009

Last Updated: April 23, 2009

Copyright 2009 ScoutNews, LLC. All rights reserved.

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No Verdict Yet on Grape Seed Extract vs. Breast Cancer
Scott Bauer, U.S. Agricultural Research Service