ALLERGY, RESPIRATORY
Climate Change Could Sting Allergy, Asthma Sufferers
Air Pollution May Raise Blood Pressure
Keep Asthma, Allergies at Bay for the Holidays
ALTERNATIVE MEDICINE
Spot light on Dani Antman New Lionheart teacher
Acupuncture Eases Side Effects of Head, Neck Cancer Treatments
U.S. Spends Billions On Alternative Medicine
ANIMAL CARE
Separation Anxiety, Canine-Style
Animals Respond to Acupuncture's Healing Touch
Safe Toys for Dogs
BONES & JOINTS
Using a Balloon to Repair a Broken Back
Tips to Ease an Aching Back
Living Near Major Road May Boost Rheumatoid Arthritis Risk
CANCER
Ginger Can Ease Nausea From Chemotherapy Treatments
Antioxidants Pose No Melanoma Threat
Adding Garlic Might Cut Cancer Risk
CAREGIVING
Omega-3 Fatty Acid May Help 'Preemie' Girls' Brains
Moms Who Breast-Feed Less Likely to Neglect Child
Rapid Infant Weight Gain Linked to Childhood Obesity
CIRCULATORY SYSTEM
Common Antioxidant Might Slow Parkinson's
An Apple a Day May Help Keep Heart Disease Away
Exercise May Blunt Salt's Effect on Hypertension
COSMETIC
Study Evaluates Laser Therapies for Hair Removal
Get Sugared!.... Its a sweet choice for hair removal
With Psoriasis, the Internet May Offer Hope
DENTAL, ORAL
Sports Drinks May Be Tough on Teeth
Dental Implants Need More Work Than Root Canals
Gummy Bears Join Cavity Fight
DIABETES
Boosting Vitamin D Can Do a Heart Good
Brown Rice Bests White for Diabetes Prevention
Red-Grape Compound May Improve Diabetes
DIET, NUTRITION
Purple Tomato Extended Lives of Cancer-Prone Mice
Proven Strategies for Avoiding Colds and the Flu
Whole Grains, Bran May Fight Hypertension in Men
DISABILITIES
Could Your Cell Phone Help Shield You From Alzheimer's?
Review Finds Marijuana May Help MS Patients
ENVIRONMENTAL HEALTH
Exhaust From Railroad Diesel Linked to Lung Ailments
Sunken, Unexploded Bombs Pose Cancer Risk
Years of Exposure to Traffic Pollution Raises Blood Pressure
EYE CARE, VISION
Retinal Gene Is Linked to Childhood Blindness
Sports Eye Injuries Leading Cause of Blindness in Youths
Ordinary Chores Cause Half of All Eye Injuries
FITNESS
Living With Less TV, More Sweat Boosts Weight Loss
Will the Wii Keep You Fit?
Exercise As Well As Acupuncture, May Ease Polycystic Ovarian Syndrome
GASTROINTESTINAL PROBLEMS
Japanese Herbals May Ease Gastro Woes
HRT Use Raises Risk of Stomach Trouble
Traditional Nonsurgical GERD Treatments Not Impressive
GENERAL HEALTH
Want Sun Protection? Wear Red or Blue
Research Shows Genetic Activity of Antioxidants
Sleep and Do Better
HEAD & NECK
Zen May Thicken Brain, Thwart Pain
Many Children Will Outgrow Headaches
Ski Helmets Encouraged for All
HEALTH & TECHNOLOGY
Airport Full Body Scanners Pose No Health Threat: Experts
'Cell Phone Elbow' -- A New Ill for the Wired Age
The Internet Is Becoming One-Stop Shopping for Health Help
HEARING
Summer Sounds Can Lead to Hearing Loss
Noise Hurts Men's Hearing More, Study Shows
HEART & CARDIOVASCULAR
Vitamin B3 May Help Repair Brain After a Stroke
Exercise May Blunt Salt's Effect on Hypertension
Toothbrushing May Stave Off Heart Woes
INFECTIOUS DISEASE
Grapefruit Compound Inhibits Hepatitis C Virus
The HPV Vaccine: Preventative Medicine or Human Sacrifice?
Swine Flu Now Reported in All 50 States
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Coconut Oil May Help Fight Childhood Pneumonia
More Calcium And Dairy Products in Childhood Could Mean Longer Life
Teens Lose More Weight Using Healthy Strategies
MEN'S HEALTH
Sunlight May Help Protect Men From Kidney Cancer
Countdown to Hair Loss
Low Iron Levels Cut Cancer Risk in Men With PAD
MENTAL HEALTH
Music Soothes Anxiety as Well as Massage Does
Cinnamon Breaks Up Brain Plaques, May Hold Key to Fighting Alzheimer’s
The Acne Drug Accutane More Than Doubles Depression Risk
PAIN
Alleviating Rheumatoid Arthritis
Acupuncture, Real or Fake, Eases Back Pain
'Cell Phone Elbow' -- A New Ill for the Wired Age
PHYSICAL THERAPY
PREGNANCY
Acupuncture May Ease Depression During Pregnancy
Before Conceiving, Take Folic Acid for One Full Year
Pre-Pregnancy Weight Linked to Babies' Heart Problems
SENIORS
Fitness Fades Fast After 45
Seniors Cope With Sleep Loss Better Than Young Adults
Exercise Helps Reduce Falls in Young and Old
SEXUAL HEALTH
SLEEP DISORDERS
Moderate Aerobics May Ease Insomnia Symptoms
Lose Weight, Sleep Apnea May Improve
Pay Attention to Signs That Say You're Too Fatigued to Drive
WOMEN'S HEALTH
Sleeping Could Help Women Lose The Baby Fat
Being Active an Hour a Day Puts Brakes on Weight Gain
Exercise During Pregnancy Keeps Newborn Size Normal
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Risk Factor for Stroke More Common Among Whites

WEDNESDAY, May 13 (HealthDay News) -- Whites are more likely than blacks to experience atrial fibrillation, a cause of stroke, even though blacks have a higher prevalence of risk factors such as high blood pressure, new research shows.

About 2.2 million Americans have atrial fibrillation, a heart arrhythmia in which the two upper chambers, or atria, quiver chaotically instead of beating in a normal rhythmic pattern, according to the Heart Rhythm Society.

The less effective pumping action can cause blood to pool and clot in the atria, raising the risk of stroke.

The study proves that race has a direct impact on the incidence of atrial fibrillation, the researchers said. They planned to present their findings Wednesday at the Heart Rhythm Society's annual meeting, in Boston.

Researchers examined data on nearly 200,000 patients who had at least two clinical visits to the Henry Ford Health System in Detroit during 2007. The study included 110,333 whites, 65,657 blacks and 20,114 patients whose race was undefined.

About 42 percent of blacks had hypertension, commonly called high blood pressure, compared to 29 percent of whites. Seventeen percent of blacks were diabetic, compared to 12 percent of whites.

Hypertension and diabetes are risk factors for atrial fibrillation, yet blacks had a 50 percent lower prevalence of atrial fibrillation. About 1.2 percent of blacks had atrial fibrillation, compared to 2.5 percent of whites.

"Our results confirm what previous, smaller studies have suggested about African Americans and a lower prevalence of AF [atrial fibrillation]," said study author Dr. Kan Fang. "What is truly fascinating about our findings is that African Americans can have significant risk factors for AF, even higher than those of Caucasian patients, yet have a lower occurrence."

Atrial fibrillation is one of the most common cardiac arrhythmias in the country. Risk factors include being male and/or older, hypertension, diabetes and cardiovascular disease.

More information

The Heart Rhythm Society has more on atrial fibrillation.



-- Jennifer Thomas



SOURCE: Heart Rhythm Society, news release, May 13, 2009

Last Updated: May 14, 2009

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