ALLERGY, RESPIRATORY
Keep Asthma, Allergies at Bay for the Holidays
New Spray Could Benefit Cystic Fibrosis Patients
Childhood Food Allergies on the Rise
ALTERNATIVE MEDICINE
Indigo Ointment Benefits Psoriasis Patients
Traditional Chinese Therapy May Help Ease Eczema
Should Your Child Be Seeing a Chiropractor?
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
Heart Failure Raises Risk of Fractures
Fractures in Older Adults Up Death Risk
Exercise Key Player in Knee Replacement Recovery
CANCER
Adding Garlic Might Cut Cancer Risk
Occaisonal Dieting May Cut Breast Cancer, Study Says
Drinking Green Tea May Slow Prostate Cancer
CAREGIVING
Coordination Has Led to Quicker Heart Treatment
Many Hospital Patients Can't ID Their Doctors
Hospital Volume Imperfect Gauge of Cancer Surgery Outcomes
CIRCULATORY SYSTEM
Secondhand Smoke Quickly Affects Blood Vessels
Exercise Extends Life of Kidney Patients
Potassium-Rich Foods May Cut Stroke, Heart Disease Risk
COSMETIC
The Acne Drug Accutane More Than Doubles Depression Risk
Gum Chewing May Cut Craving for Snacks
Science May Banish Bad Hair Days
DENTAL, ORAL
Good Oral Hygiene May Protect Against Heart Infections
Gum Disease May Reactivate AIDS Virus
Acupuncture May Ease Anxiety Over Dental Work
DIABETES
Out-of-Control Blood Sugar May Affect Memory
Diabetes Linked to Cognitive Problems
Saliva Test Could Monitor Type 2 Diabetes
DIET, NUTRITION
Regular Yoga May Improve Eating Habits
Eating in America Still Unhealthy
Diet, Exercise May Slow Kidney Disease Progression
DISABILITIES
Could Your Cell Phone Help Shield You From Alzheimer's?
Review Finds Marijuana May Help MS Patients
ENVIRONMENTAL HEALTH
Common Pesticide Tied to Development Delays in Kids
Controversial Chemical Lingers Longer in the Body
Lead Exposure in Childhood Linked to Criminal Behavior Later
EYE CARE, VISION
Eye Test Could Spot Diabetes Vision Trouble Early
Americans Losing Sight of Eye Health
Eye Problems, Hearing Loss May Be Linked
FITNESS
Fliers Can Keep Blood Clots at Bay
Many Cancer Survivors Don't Adopt Healthy Lifestyle
Basketball Star Details His Struggle With Gout
GASTROINTESTINAL PROBLEMS
Peppermint Oil, Fiber Can Fight Irritable Bowel
Soothing Imagery May Help Rid Some Kids of Stomach Pain
New Yogurt May Ease Stomach Ulcers
GENERAL HEALTH
Common Social Groups and Race, Seem to Help People Relate
Have a Goal in Life? You Might Live Longer
Retail Clinics Attracting Those Without Regular Doctors
HEAD & NECK
Ski Helmets Encouraged for All
Many Children Will Outgrow Headaches
Zen May Thicken Brain, Thwart Pain
HEALTH & TECHNOLOGY
Using Light Therapy to Silence Harmful Brain Activity
The Internet Is Becoming One-Stop Shopping for Health Help
Study Suggests Link Between Cell Phones and Brain Tumors
HEARING
Summer Sounds Can Lead to Hearing Loss
Noise Hurts Men's Hearing More, Study Shows
HEART & CARDIOVASCULAR
Cocoa in Chocolate May Be Good for the Heart
Chinese Red Yeast Rice May Prevent Heart Attack
Estrogen May Help Men's Hearts
INFECTIOUS DISEASE
Hand Washing 10 Times a Day May Help Keep Flu Away
Viral Infection Might Trigger High Blood Pressure
Dry Weather Boosts Odds of Flu Outbreaks
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Exercise Eases Obesity and Anger in Kids
Many Children Will Outgrow Headaches
Bullying Seems to Affect Kids Years Later
MEN'S HEALTH
Varicose Veins May Mask Larger Problem
Lots of Sex May Prevent Erectile Dysfunction
Whole Grains, Bran May Fight Hypertension in Men
MENTAL HEALTH
Mind Exercise Might Help Stroke Patients
Meaningful Conversations Boost Kids' Language Skills
How to Attack Holiday Stress Head-On
PAIN
Acupuncture, Real or Fake, Eases Back Pain
Alleviating Rheumatoid Arthritis
Are We Exercising Pain Away? Not So Much.
PHYSICAL THERAPY
PREGNANCY
Yoga's Benefits Outweigh Risks for Pregnant Women
Music of Mozart Soothes the Preemie Baby
Heart Defects in Newborns Linked to Antidepressants
SENIORS
Martial Arts Training May Save Seniors' Hips
Want Better Health in the New Year, Add Exercise to Your Day
Friends, Not Grandkids, Key to Happy Retirement
SEXUAL HEALTH
SLEEP DISORDERS
Pay Attention to Signs That Say You're Too Fatigued to Drive
Moderate Aerobics May Ease Insomnia Symptoms
Sleeping Could Help Women Lose The Baby Fat
WOMEN'S HEALTH
Heal Your LifeŽ Tips for Living Well
Heart Defects in Newborns Linked to Antidepressants
Air Pollution Slows Women's Marathon Times
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Main Ingredients in Household Dust Come From Outdoors

(HealthDay News) -- Most of the dust that coats your furniture and floors comes from outdoors and can pose a health threat, a new study suggests.

The researchers developed a computer model that can track the distribution of outdoor soil and airborne particles into homes and found that more than 60 percent of household dust originates from tracked-in soil and airborne particles from the outdoors. The remainder is from dead skin shed by residents, fibers from carpets and upholstered furniture.

This outdoor-based dust can contain lead, arsenic and other potentially harmful substances, said the Arizona researchers. For example, they estimated that 60 percent of arsenic in floor dust may come from arsenic in the surrounding air, with the remainder coming from tracked-in soil.

The substances in household dust that originates outdoors may be a special concern for homes with children, who put dust-contaminated toys and other objects into their mouths, said David Layton and Paloma Beamer of the University of Arizona in Tucson, who added that their computer model may prove useful in evaluating ways to reduce contaminants in dust and associated human exposure.

The study was released online in advance of publication in the Nov. 1 print issue of the journal Environmental Science & Technology.

SOURCES: Environmental Science & Technology, news release, November 2009