ALLERGY, RESPIRATORY
Air Quality Better in Northeast, Midwest
New Spray Could Benefit Cystic Fibrosis Patients
Know Your Asthma Triggers
ALTERNATIVE MEDICINE
Regular Yoga May Improve Eating Habits
No Verdict Yet on Grape Seed Extract vs. Breast Cancer
Relaxation Tapes or Mozart Lower Blood Pressure
ANIMAL CARE
Safe Toys for Dogs
Beware of Dog Bites
'Comfort Dogs' Come to Emotional Rescue
BONES & JOINTS
Soccer's a Winner for Building Bone Health in Girls
Get in Step With Summer Foot Care
Study Examines How Rheumatoid Arthritis Destroys Bone
CANCER
Lifting Weights Can Ease Arm Swelling in Breast Cancer Survivors
Acupuncture May Help Relieve Polycystic Ovary Syndrome
Where You Live May Affect Your Cancer Diagnosis
CAREGIVING
Late-Life Fatherhood May Lower Child's Intelligence
Hospital Practices Influence Which Moms Will Breast-Feed
What Moms Learned May Be Passed to Offspring
CIRCULATORY SYSTEM
Grapefruit-Heavy Diet Helped Spur Dangerous Clot
Secondhand Smoke Quickly Affects Blood Vessels
Varicose Veins May Mask Larger Problem
COSMETIC
Study Evaluates Laser Therapies for Hair Removal
Gum Chewing May Cut Craving for Snacks
Contact Lenses Boost Kids' Self-Image
DENTAL, ORAL
Toothbrushing May Stave Off Heart Woes
Study Links Osteoporosis Drugs to Jaw Trouble
Laser Technology Spots Cavities Before They Start
DIABETES
Fructose-Sweetened Drinks Up Metabolic Syndrome Risk
Lifestyle Factors Tied to Older Adults' Diabetes Risk
Abnormal Heart Rhythm Boosts Death Risk for Diabetics
DIET, NUTRITION
Milk Destroys Antioxidant Benefits in Blueberries
Teens Lose More Weight Using Healthy Strategies
Western Diet Linked To Heart Disease, Metabolic Syndrome
DISABILITIES
Could Your Cell Phone Help Shield You From Alzheimer's?
Review Finds Marijuana May Help MS Patients
ENVIRONMENTAL HEALTH
Air Pollution Raises Risk of Heart Disease, Death
As Earth Warms, Lyme Disease Could Flourish
Think You Are Lead-Free? Check Your Soil
EYE CARE, VISION
Music Can Help Restore Stroke Patients' Sight
Omega-3 Foods May Lower Eye Disease Risk
Decorative Halloween Eye Lenses May Pose Serious Risks
FITNESS
Go To Work But Skip The Car
Weak Muscles May Cause 'Runner's Knee'
Vigorous Exercise Can Cut Breast Cancer Risk
GASTROINTESTINAL PROBLEMS
HRT Use Raises Risk of Stomach Trouble
Olive Oil May Protect Against Bowel Disease
Japanese Herbals May Ease Gastro Woes
GENERAL HEALTH
Stressed and Exhausted: An Introduction to Adrenal Fatigue
Retail Clinics Attracting Those Without Regular Doctors
Regular Yoga May Improve Eating Habits
HEAD & NECK
Many Children Will Outgrow Headaches
Zen May Thicken Brain, Thwart Pain
Ski Helmets Encouraged for All
HEALTH & TECHNOLOGY
Combating Myths About Seasonal Allergies
E-Mailing Your Way to Healthier Habits
'Comfort Dogs' Come to Emotional Rescue
HEARING
Noise Hurts Men's Hearing More, Study Shows
Summer Sounds Can Lead to Hearing Loss
HEART & CARDIOVASCULAR
Soy Protein Doesn't Lower Cholesterol
Lack of Vitamin D Linked to High Blood Pressure
Toothbrushing May Stave Off Heart Woes
INFECTIOUS DISEASE
Swine Flu Now Reported in All 50 States
More Medicinal Uses for Pomegranate
Swine Flu Closes Three Schools in NYC
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Teen Internet Addicts More Likely to Self-Harm: Study
Many Children Will Outgrow Headaches
Guard Kids' Eyes Against Long-Term Sun Damage
MEN'S HEALTH
Varicose Veins May Mask Larger Problem
Vigorous Exercise Cuts Stroke Risk for Men, Not Women
More Vitamin C May Mean Less Chance of Gout
MENTAL HEALTH
The Unmedicated Mind
Heal Your Life Tips for Living Well
Drink Away Dementia?
PAIN
Alleviating Rheumatoid Arthritis
Are We Exercising Pain Away? Not So Much.
Tai Chi May Help Ease Fibromyalgia
PHYSICAL THERAPY
PREGNANCY
Sugary Colas Tied to Gestational Diabetes
Breast-Feeding Benefits Moms and Babies
Pregnant Women Exposed To Certain Pollutants Could Lower Childs IQ
SENIORS
Healthy Diet Could Cut Alzheimer's Disease Risk
Money May Matter, Health-Wise, in Old Age
More Whole Grains May Mean Less Fat
SEXUAL HEALTH
SLEEP DISORDERS
Moderate Aerobics May Ease Insomnia Symptoms
Pay Attention to Signs That Say You're Too Fatigued to Drive
Meditation May Help Put Primary Insomnia to Bed
WOMEN'S HEALTH
Exercise, Weight Control May Keep Fibromyalgia at Bay
Woman in America Are Delaying Motherhood, Study Says
Caffeine in Pregnancy Associated With Low Birth Weight Risk
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Gas Stove Emissions Boost Asthma in Inner-City Kids

FRIDAY, Oct. 24 (HealthDay News) -- High levels of nitrogen dioxide emissions from gas stoves can aggravate asthma symptoms in inner-city children, especially pre-schoolers, a new study says.

Nitrogen dioxide (NO2) is an irritating and toxic form of nitrogen oxide gas that is often present in industrial zones but can also be found at higher levels in poor homes with unvented gas stoves.

Researchers from John Hopkins University, reporting in the October issue of Environmental Health Perspectives, tied asthma flare-ups in young children directly to high concentrations of NO2 in their Baltimore homes, most of which had gas stoves and/or natural gas heat. The stoves or ovens were often used for heating as well as cooking.

"Because using stoves as heat sources is a hallmark of urban poverty, our study tellingly points to how profound and direct the effects of purely social and environmental factors can be on a child's health," lead researcher Dr. Nadia Hansel, a Johns Hopkins lung expert, said in a news release issued by the university. "Doctors caring for children with asthma should always inquire about the home's heating and cooking appliances and urge those using gas-based stoves and space heaters to switch to electric heating and cooking, if possible, or at least properly vent the exhaust gases."

Each 20 point increase in nitrogen dioxide levels led to 10 percent more days of cough and 15 percent more days with limited speech due to wheezing, the researchers said.

Asthma affects 6.2 million children in the United States and is most prevalent in inner-city children. Doctors believe poor access to regular health care and added exposure to indoor allergens such as mouse and cockroach dander, dust, cigarette smoke and automobile fumes make the condition worse for these children.

More information

The American Lung Association has more about childhood asthma.



-- Kevin McKeever



SOURCE: Johns Hopkins Medicine, news release, Oct. 13, 2008

Last Updated: Oct. 24, 2008

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