ALLERGY, RESPIRATORY
Keep Asthma, Allergies at Bay for the Holidays
Traffic, Dust Linked to Asthma in Kids
Molecule in Skin May Link Eczema and Asthma
ALTERNATIVE MEDICINE
Music Therapy For Prehistoric Man?
Acupuncture Cuts Dry Mouth in Cancer Patients
Meditation, Yoga Might Switch Off Stress Genes
ANIMAL CARE
Safe Toys for Dogs
Separation Anxiety, Canine-Style
Rest Easy. When It Comes to Swine Flu, Your Pet Is Safe
BONES & JOINTS
'Snowbirds' Beware the Climate Changes
Vitamin K Doesn't Slow Bone Loss
Active Young Women Need Calcium, Vitamin D
CANCER
Spice Compounds May Stem Tumor Growth
Tanning Beds Shown To Raise Cancer Risk, Study Says
Study Cites Gains in Gall Bladder Cancer Treatment
CAREGIVING
Most Women Struggle With Rising Health Care Costs
Caregivers Face Multiple Strains Tending Older Parents
Diabetes Epidemic Now Poses Challenges for Nursing Homes
CIRCULATORY SYSTEM
High Blood Fat Levels Common in Americans
Secondhand Smoke Quickly Affects Blood Vessels
Support Network May Play Role in Benefits of Drinking
COSMETIC
Science May Banish Bad Hair Days
New Genetic Links to Baldness Discovered
The Acne Drug Accutane More Than Doubles Depression Risk
DENTAL, ORAL
Rheumatoid Arthritis May Harm Gums
Hormones May Be to Blame for Women's Cavity Rates
Good Oral Hygiene May Protect Against Heart Infections
DIABETES
Vitamin K Slows Insulin Resistance in Older Men
Brown Rice Bests White for Diabetes Prevention
Red-Grape Compound May Improve Diabetes
DIET, NUTRITION
Iced Teas Pose High Risk of Kidney Stones
Herb Shows Potential for Rheumatoid Arthriti
Fatty Acid in Olive Oil Wards Off Hunger
DISABILITIES
Review Finds Marijuana May Help MS Patients
Could Your Cell Phone Help Shield You From Alzheimer's?
ENVIRONMENTAL HEALTH
Fertilizer Ban Makes a Difference
U.S. Diet Needs Heart-Felt Overhaul
Hairspray Exposure Ups Risk for Birth Defect in Sons
EYE CARE, VISION
Stem Cells Repair Damaged Corneas in Mice
When Corks Fly, Watch the Eyes
Vision Test for Young Children Called Unreliable
FITNESS
Maximize Your Run
Resistance Training Boosts Mobility in Knee Arthritis Patients
Exercise Guards White Blood Cells Against Aging
GASTROINTESTINAL PROBLEMS
Olive Oil May Protect Against Bowel Disease
Soothing Imagery May Help Rid Some Kids of Stomach Pain
Intestinal Bacteria Trigger Immune Response
GENERAL HEALTH
Want Better Health in the New Year, Add Exercise to Your Day
Biomarkers May Help Measure Rate of Decline in Dementia
Have Fun This Summer, But DO Be Careful
HEAD & NECK
Ski Helmets Encouraged for All
Zen May Thicken Brain, Thwart Pain
Many Children Will Outgrow Headaches
HEALTH & TECHNOLOGY
'Comfort Dogs' Come to Emotional Rescue
Subway Defibrillators Save Lives
Combating Myths About Seasonal Allergies
HEARING
Summer Sounds Can Lead to Hearing Loss
Noise Hurts Men's Hearing More, Study Shows
HEART & CARDIOVASCULAR
Using Light Therapy to Silence Harmful Brain Activity
An Apple a Day May Help Keep Heart Disease Away
Kids With Vitamin D Deficiency Linked to Heart Trouble
INFECTIOUS DISEASE
Dry Weather Boosts Odds of Flu Outbreaks
Grapefruit Compound Inhibits Hepatitis C Virus
Chinese 'Devil Dung' Plant Could Be a Swine Flu Fighter
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Treat Kids to a Safe Halloween
Pool Chemicals Raise Kids Allergy, Asthma Risk
Breast-Feeding May Protect a Woman's Heart
MEN'S HEALTH
Low Iron Levels Cut Cancer Risk in Men With PAD
Whole Grains, Bran May Fight Hypertension in Men
Countdown to Hair Loss
MENTAL HEALTH
Reminiscing Helps Build Emotional Strength
Worries About Weight Are Tied to Teen Suicide Tries
Meditation May Boost College Students' Learning
PAIN
Tai Chi May Help Ease Fibromyalgia
Are We Exercising Pain Away? Not So Much.
'Cell Phone Elbow' -- A New Ill for the Wired Age
PHYSICAL THERAPY
PREGNANCY
Prenatal Stress May Boost Baby's Asthma Risk
Acupuncture May Ease Depression During Pregnancy
Before Conceiving, Take Folic Acid for One Full Year
SENIORS
Tai Chi and Qigong Offer Many Health Benefits: Review
Life Expectancy in U.S. Hits New High
High-Impact Activity May Be Good for Old Bones
SEXUAL HEALTH
SLEEP DISORDERS
Exercising Throat Muscles May Relieve Sleep Apnea
Better Sleep, Grades Seem to Go Up
Pay Attention to Signs That Say You're Too Fatigued to Drive
WOMEN'S HEALTH
Vitamin D Deficiency Puts 40% of U.S. Infants and Toddlers At Risk
Pre-Pregnancy Weight Linked to Babies' Heart Problems
Broccoli May Help Battle Breast Cancer
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Almost Half of Adults Will Develop Knee Osteoarthritis by 85

FRIDAY, Sept. 5 (HealthDay News) -- Almost half of all American adults will develop osteoarthritis of the knee by age 85, and their odds increase if they are obese in middle age, a new study says.

A person's risk of having the painful condition increased as his or her body-mass index (BMI) rose, according to the University of North Carolina at Chapel Hill study. People who were of normal weight at age 18 but were overweight or obese by 45 or older had the greatest risk.

"These results show how important weight management is for people throughout their lives," senior study author Joanne Jordan, principal investigator of the Johnston County Osteoarthritis Project, said in a university news release. "Simply put, people who keep their weight within the normal range are much less likely to develop symptomatic knee osteoarthritis as they get older and thus much less likely to face the need for major surgical procedures, such as knee replacement surgery."

The study, published in the Sept. 15 issue of Arthritis Care & Research, was based on analyzing data collected from more than 3,000 North Carolinians over a 13-year period. Participants were interviewed and given a clinical exam, including knee X-rays and BMI measurements.

Obese people had a significantly higher lifetime risk, 64.5 percent versus 34.9 percent for normal weight and 44.1 percent for overweight participants. Those with prior knee injuries in their lifetime also had a higher risk than those without (56.8 percent vs. 42.3 percent).

No notable risk differences were found based on a participant's sex, race or education level.

More information

The Arthritis Foundation has more about osteoarthritis.



-- Kevin McKeever



SOURCE: University of North Carolina at Chapel Hill, news release, Sept. 2, 2008

Last Updated: Sept. 05, 2008

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