ALLERGY, RESPIRATORY
Traffic, Dust Linked to Asthma in Kids
Keep Asthma, Allergies at Bay for the Holidays
Air Pollution May Raise Blood Pressure
ALTERNATIVE MEDICINE
Acupuncture Eases Side Effects of Head, Neck Cancer Treatments
Should Your Child Be Seeing a Chiropractor?
Music Therapy For Prehistoric Man?
ANIMAL CARE
'Comfort Dogs' Come to Emotional Rescue
Separation Anxiety, Canine-Style
Beware of Dog Bites
BONES & JOINTS
Rheumatoid Arthritis May Harm Gums
Soccer's a Winner for Building Bone Health in Girls
Using a Balloon to Repair a Broken Back
CANCER
Want to Stop Cancer? You Can, Experts Say
Exercise Cuts Lung Cancer Risk in Ex-Smokers by 45%
Broccoli May Help Battle Breast Cancer
CAREGIVING
Study of Everest Climbers Questions Oxygen Use
With Alzheimer's, Health-Care Costs Could Triple
Birthmark or Blood Vessel Problem?
CIRCULATORY SYSTEM
Anemia Rates Down for U.S. Women and Children
An Apple a Day May Help Keep Heart Disease Away
Smog Tougher on the Obese
COSMETIC
Get Sugared!.... Its a sweet choice for hair removal
Contact Lenses Boost Kids' Self-Image
With Psoriasis, the Internet May Offer Hope
DENTAL, ORAL
Gum Disease Might Boost Cancer Risk
Biological Product Shows Promise Against Gum Disease
Acupuncture May Ease Anxiety Over Dental Work
DIABETES
Older Diabetics With Depression Face Higher Death Rate
Out-of-Control Blood Sugar May Affect Memory
Poor Blood Sugar Control After Heart Surgery Impacts Outcomes
DIET, NUTRITION
Marinades Help Keep Grilled Meat Safe
Coffee or Tea Consumption May Lower Stroke Risk
Uncover Why Turmeric Helps You Heal
DISABILITIES
Could Your Cell Phone Help Shield You From Alzheimer's?
Review Finds Marijuana May Help MS Patients
ENVIRONMENTAL HEALTH
Green Areas Lower Health Inequities Between Rich, Poor
Meat-Eating Dinosaurs Used Legs and Arms Like Birds
Pesticides Linked to Parkinson's
EYE CARE, VISION
Half of U.S. Adults Lack 20/20 Vision
Hybrid Cars Pose Risk to Blind, Visually Impaired
Contact Lens Cases Often Contaminated
FITNESS
Being Active an Hour a Day Puts Brakes on Weight Gain
Research Confirms How Valuable A Healthy Lifestyle Can Be
'Safe' Ozone Levels May Not Be for Some
GASTROINTESTINAL PROBLEMS
Peppermint Oil, Fiber Can Fight Irritable Bowel
New Yogurt May Ease Stomach Ulcers
Soothing Imagery May Help Rid Some Kids of Stomach Pain
GENERAL HEALTH
15-Point Test Gauges Alzheimer's Risk
The Juice From Beetroots May Boost Stamina
For Women, Moderate Midlife Drinking Linked to Healthier Old Age
HEAD & NECK
Ski Helmets Encouraged for All
Many Children Will Outgrow Headaches
Zen May Thicken Brain, Thwart Pain
HEALTH & TECHNOLOGY
Magnet Therapy May Ease Hard-to-Treat Depression
Study Suggests Link Between Cell Phones and Brain Tumors
Combating Myths About Seasonal Allergies
HEARING
Noise Hurts Men's Hearing More, Study Shows
Summer Sounds Can Lead to Hearing Loss
HEART & CARDIOVASCULAR
Rheumatoid Arthritis a Threat to the Heart
Relaxation Tapes or Mozart Lower Blood Pressure
Vitamin B3 May Help Repair Brain After a Stroke
INFECTIOUS DISEASE
Older Adults May Have Some Immunity to Swine Flu
Chinese 'Devil Dung' Plant Could Be a Swine Flu Fighter
Bacterial Infections May Succumb to Honey
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Most Depressed Teens Don't Get Treatment
Winter's Bitter Cold Poses Health Dangers
Babies Cared For In Others Homes Might Become Heavy Toddlers
MEN'S HEALTH
Soy Linked to Low Sperm Count
Strenuous Daily Workout May Keep Cancer at Bay
Sunlight May Help Protect Men From Kidney Cancer
MENTAL HEALTH
Music Soothes Anxiety as Well as Massage Does
Common Social Groups and Race, Seem to Help People Relate
Environmental Chemicals May Affect Male Reproduction
PAIN
'Cell Phone Elbow' -- A New Ill for the Wired Age
Are We Exercising Pain Away? Not So Much.
Acupuncture, Real or Fake, Eases Back Pain
PHYSICAL THERAPY
PREGNANCY
Pregnant Women Exposed To Certain Pollutants Could Lower Childs IQ
Before Conceiving, Take Folic Acid for One Full Year
Mom's Extra Pregnancy Pounds May Raise Child's Heart Risks
SENIORS
Mediterranean Diet Plus Exercise Lowers Alzheimer's Risk
Tai Chi and Qigong Offer Many Health Benefits: Review
Tai Chi May Help Ward Off Knee Pain in Seniors
SEXUAL HEALTH
SLEEP DISORDERS
Meditation May Help Put Primary Insomnia to Bed
Moderate Aerobics May Ease Insomnia Symptoms
Sleeping Could Help Women Lose The Baby Fat
WOMEN'S HEALTH
Supplements Might Reduce Breast Cancer Risk
Varicose Veins May Mask Larger Problem
Calcium Helps Ward Off Colon Cancer
Add your Article

Vitamin K Doesn't Slow Bone Loss

THURSDAY, Oct. 16 (HealthDay News) -- High doses of vitamin K1 may not prevent a decline in age-related bone mineral density, but it may protect against fracture and cancer in postmenopausal women with osteopenia, a new report shows.

In the University of Toronto study, published in this week's issue of PLOS Medicine, 440 postmenopausal women with osteopenia (a mild condition that precedes osteoporosis) received either 5 milligrams of vitamin K1 or a placebo daily for two years.

Lower back and hip measurements of bone mineral density at two and four years showed similar decreases in both the vitamin K1 and the placebo groups; however, over four years, fewer women in the vitamin K1 group had fractures (nine versus 20 women in the placebo group), and fewer women had cancer (three versus 12).

As the study did not focus on fractures or cancers and contained a small sampling group, the researchers said the findings are not definitive. They suggested larger studies to study the effect of vitamin K1 on fractures and on cancer, and recommended high-dose vitamin K1 supplementation not be given for osteoporosis prevention.

More information

The National Institute of Arthritis and Musculoskeletal and Skin Disorders has more about nutrients for bone health.



-- Kevin McKeever



SOURCE: Public Library of Science, news release, Oct. 13, 2008

Last Updated: Oct. 16, 2008

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