ALLERGY, RESPIRATORY
'Safe' Ozone Levels May Not Be for Some
Folic Acid Might Offer Allergy Relief
Childhood Food Allergies on the Rise
ALTERNATIVE MEDICINE
Placebo Acupuncture Tied to Higher IVF Pregnancies
Yoga May Bring Calm to Breast Cancer Treatment
Ginkgo No Shield Against Alzheimer's
ANIMAL CARE
Rest Easy. When It Comes to Swine Flu, Your Pet Is Safe
Animals Respond to Acupuncture's Healing Touch
Separation Anxiety, Canine-Style
BONES & JOINTS
Scientists ID New Genes Tied to Crohn's Disease
B Cells Can Act Alone in Autoimmune Diseases
Vitamin K Doesn't Slow Bone Loss
CANCER
Occaisonal Dieting May Cut Breast Cancer, Study Says
Yoga May Bring Calm to Breast Cancer Treatment
Gene Screen May Predict Colon Cancer's Return
CAREGIVING
Study Casts Doubt on Influential Hospital Safety Survey
Moms Who Breast-Feed Less Likely to Neglect Child
ER Less Likely to Diagnose Stroke in Younger Folks
CIRCULATORY SYSTEM
Vitamins Do Older Women Little Good
Health Tip: Are You Anemic?
Anemia Rates Down for U.S. Women and Children
COSMETIC
Get Sugared!.... Its a sweet choice for hair removal
Health Tip: After Liposuction
Contact Lenses Boost Kids' Self-Image
DENTAL, ORAL
Biological Product Shows Promise Against Gum Disease
Mom's Vitamin D Levels Affect Baby's Dental Health
Toothbrushing May Stave Off Heart Woes
DIABETES
Poor Blood Sugar Control After Heart Surgery Impacts Outcomes
Red-Grape Compound May Improve Diabetes
Whole Grains Take a Bite Out of Type 2 Diabetes Risk
DIET, NUTRITION
Myrrh May Lower High Cholesterol
10 Beginner Tips for Fast Weight Loss, the Low-Carb Way!
Compound in Red Wine Fights Ravages of Age
DISABILITIES
Review Finds Marijuana May Help MS Patients
Could Your Cell Phone Help Shield You From Alzheimer's?
ENVIRONMENTAL HEALTH
Clear Skies Have Become Less So Over Time, Data Show
Childhood Food Allergies on the Rise
Heavy Traffic Can Be Heartbreaking
EYE CARE, VISION
Impotence Drugs Don't Harm Vision: Study
Kids Think Glasses Make Others Look Smart, Honest
Brain Adapts to Age-Related Eye Disease
FITNESS
When It Comes to Lifting, the Pros Have Your Back
School Phys. Ed. Injuries Up 150 Percent
Women Who Run May Benefit From Extra Folic Acid
GASTROINTESTINAL PROBLEMS
HRT Use Raises Risk of Stomach Trouble
New Yogurt May Ease Stomach Ulcers
Peppermint Oil, Fiber Can Fight Irritable Bowel
GENERAL HEALTH
Eating Nuts May Help Cholesterol Levels
Quit Smoking the Holistic Way
How Weight Loss Can Help the Heart
HEAD & NECK
Zen May Thicken Brain, Thwart Pain
Many Children Will Outgrow Headaches
Ski Helmets Encouraged for All
HEALTH & TECHNOLOGY
E-Mailing Your Way to Healthier Habits
Airport Full Body Scanners Pose No Health Threat: Experts
Combating Myths About Seasonal Allergies
HEARING
Summer Sounds Can Lead to Hearing Loss
Noise Hurts Men's Hearing More, Study Shows
HEART & CARDIOVASCULAR
Soy Protein Doesn't Lower Cholesterol
After a Stroke, Light Exercise Gets Hands, Arms Working Again
Vitamin B3 May Help Repair Brain After a Stroke
INFECTIOUS DISEASE
Older Adults May Have Some Immunity to Swine Flu
Surgical Masks Could Prevent Flu, Maybe
The HPV Vaccine: Preventative Medicine or Human Sacrifice?
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Exercise Helps Reduce Falls in Young and Old
Traffic, Dust Linked to Asthma in Kids
Meaningful Conversations Boost Kids' Language Skills
MEN'S HEALTH
Varicose Veins May Mask Larger Problem
The Dark Side of Vegetarianism
Whole Grains, Bran May Fight Hypertension in Men
MENTAL HEALTH
Chocolate a Sweet Pick-Me-Up for the Depressed
Fear Response May Stem From Protein in Brain
Shop 'Til You Drop: You May Feel Better
PAIN
Acupuncture, Real or Fake, Eases Back Pain
Tai Chi May Help Ease Fibromyalgia
Are We Exercising Pain Away? Not So Much.
PHYSICAL THERAPY
PREGNANCY
For Baby and Mom Alike, Breast-Feeding May Be Best
Breast-Feeding May Protect a Woman's Heart
Yoga's Benefits Outweigh Risks for Pregnant Women
SENIORS
Fitness Fades Fast After 45
Nighttime Urination Linked to Higher Death Rate Among Elderly
Seniors Who Volunteer May Live Longer
SEXUAL HEALTH
SLEEP DISORDERS
Lose Weight, Sleep Apnea May Improve
Better Sleep, Grades Seem to Go Up
Meditation May Help Put Primary Insomnia to Bed
WOMEN'S HEALTH
Whole Grains, Bran May Fight Hypertension in Men
Exercise During Pregnancy Keeps Newborn Size Normal
Exercise Boosts Bone Density in Breast-Feeding Moms
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Babies Born in High Pollen Months at Wheezing Risk

THURSDAY, Feb. 26 (HealthDay News) -- Infants exposed to high levels of pollen and mold in their first few months of life are more likely to develop wheezing -- a possible early symptom of asthma, say U.S. researchers.

They studied 514 children born in 1999 and 2000 in California's Salinas Valley, and found that children born in high mold season (fall and winter) were three times more likely to develop wheezing by age 2 than children born at other times of the year. The researchers also found that total pollen concentration exposure during the first three months of life increased the risk of early wheezing.

As many as 40 percent of children who wheeze early in life may go on to develop childhood asthma, especially if they have other allergic symptoms, according to the authors of the study, published online Feb. 24 in the journal Thorax.

The findings may help clarify why babies born in the fall and winter appear to have a higher risk of developing asthma than children born in the summer.

One previous study found that babies born in the fall are at greater risk of developing childhood asthma. The authors of that study suggested that early-life exposure to respiratory viruses during the peak cold and flu season may be to blame.

"In our study, we took a different tack to understand the link between month of birth and asthma by considering ambient concentrations of fungal spores and pollen, which follow distinct seasonal patterns," study author Kim Harley, associate director of health effects research at UC Berkeley's Center for Children's Environmental Health Research, said in a university news release.

"Until our paper, there were very little data about exposure to allergens in the air, which we know can trigger symptoms for those who already have asthma. This is the first study to look at the potential role of early life exposure to multiple outdoor fungal and pollen groups in the development of asthma," Harley said.

She and her colleagues were continuing to follow the children in the study.

"We are not in a position to say conclusively why some children develop asthma, or to even suggest precautionary measures to help babies born in the fall and winter," study senior author Dr. Ira Tager, professor of epidemiology, said in the news release. "We already know that family history is a major risk factor for developing asthma, but the role environmental factors play is still being fleshed out. What this study does is provide valuable clues about airborne allergens that are worth exploring further."

More information

The American Lung Association has more about childhood asthma.



-- Robert Preidt



SOURCE: University of California, Berkeley, news releaes, Feb. 23, 2009

Last Updated: Feb. 26, 2009

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