ALLERGY, RESPIRATORY
Molecule in Skin May Link Eczema and Asthma
Using Music and Sports to Improve Kids' Asthma
Combating Myths About Seasonal Allergies
ALTERNATIVE MEDICINE
Indigo Ointment Benefits Psoriasis Patients
Tai Chi: An Ideal Exercise for Many People with Diabetes
Indian Spice May Thwart Liver Damage
ANIMAL CARE
Beware of Dog Bites
Safe Toys for Dogs
'Comfort Dogs' Come to Emotional Rescue
BONES & JOINTS
Yoga Can Ease Lower Back Pain
Alleviating Rheumatoid Arthritis
Study Examines How Rheumatoid Arthritis Destroys Bone
CANCER
Yoga May Bring Calm to Breast Cancer Treatment
Antioxidants Pose No Melanoma Threat
Broccoli May Help Battle Breast Cancer
CAREGIVING
Study Links Pesticides to Birth Defects
Few Hospitals Embracing Electronic Health Record Systems
New Guidelines for Treating Heart Failure
CIRCULATORY SYSTEM
Health Tip: Are You Anemic?
Migraines in Pregnancy Boost Vascular Risks
Years of Exposure to Traffic Pollution Raises Blood Pressure
COSMETIC
The Acne Drug Accutane More Than Doubles Depression Risk
Science May Banish Bad Hair Days
Mouse Study Finds Molecule That Tells Hair to Grow
DENTAL, ORAL
Gum Disease Might Boost Cancer Risk
Laser Technology Spots Cavities Before They Start
Most Insured Adults Worry About Health Care Costs: Poll
DIABETES
Exercise Protects Black Women From Type 2 Diabetes
Formula Puts Doctor, Patient Glucose Readings on Same Page
Fish Twice a Week Cuts Diabetics' Kidney Risks
DIET, NUTRITION
Occaisonal Dieting May Cut Breast Cancer, Study Says
Successful Weight Loss Shows Unique Brain Patterns
For Fitness, Cutting Calories May Not Be Enough
DISABILITIES
Could Your Cell Phone Help Shield You From Alzheimer's?
Review Finds Marijuana May Help MS Patients
ENVIRONMENTAL HEALTH
Chemicals in Carpets, Non-Stick Pans Tied to Thyroid Disease
Clear Skies Have Become Less So Over Time, Data Show
Lead Exposure in Childhood Linked to Criminal Behavior Later
EYE CARE, VISION
Retinal Gene Is Linked to Childhood Blindness
When Corks Fly, Watch the Eyes
Clues Found to Brain Mechanism Behind Migraines
FITNESS
FDA Mandates New Warnings for Botox
Run for Your Life
Higher Fitness Levels Tied to Lower Heart, Death Risks
GASTROINTESTINAL PROBLEMS
Intestinal Bacteria Trigger Immune Response
Traditional Nonsurgical GERD Treatments Not Impressive
HRT Use Raises Risk of Stomach Trouble
GENERAL HEALTH
Healthy Eating While On Vacation
Study Supports Swine Flu's Pandemic Potential
Swine Flu May Pose Problems for Pregnant Women
HEAD & NECK
Many Children Will Outgrow Headaches
Zen May Thicken Brain, Thwart Pain
Ski Helmets Encouraged for All
HEALTH & TECHNOLOGY
The Internet Is Becoming One-Stop Shopping for Health Help
Imaging Sheds Light on How Acupuncture Works
'Cell Phone Elbow' -- A New Ill for the Wired Age
HEARING
Noise Hurts Men's Hearing More, Study Shows
Summer Sounds Can Lead to Hearing Loss
HEART & CARDIOVASCULAR
Western Diet Linked To Heart Disease, Metabolic Syndrome
Brown Rice Tied to Better Heart Health in Study
Women Who Run May Benefit From Extra Folic Acid
INFECTIOUS DISEASE
Grapefruit Compound Inhibits Hepatitis C Virus
Dry Weather Boosts Odds of Flu Outbreaks
Hand Washing 10 Times a Day May Help Keep Flu Away
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Fussy Babys Could Be Out Of Your Control
Soothing Imagery May Help Rid Some Kids of Stomach Pain
Should Your Child Be Seeing a Chiropractor?
MEN'S HEALTH
Vigorous Exercise Cuts Stroke Risk for Men, Not Women
More Vitamin C May Mean Less Chance of Gout
Lots of Sex May Prevent Erectile Dysfunction
MENTAL HEALTH
Environmental Chemicals May Affect Male Reproduction
Most Depressed Teens Don't Get Treatment
Keeping Mentally Active Seems To Keep The Brain Active
PAIN
Tai Chi May Help Ease Fibromyalgia
Are We Exercising Pain Away? Not So Much.
Alleviating Rheumatoid Arthritis
PHYSICAL THERAPY
PREGNANCY
Heart Defects in Newborns Linked to Antidepressants
For Baby and Mom Alike, Breast-Feeding May Be Best
Mom's Extra Pregnancy Pounds May Raise Child's Heart Risks
SENIORS
Eating Well And Keeping Active As You Grow Old Will Help You Stay Sharp
Community Exercise Programs Boost Seniors' Strength
Life Expectancy in U.S. Hits New High
SEXUAL HEALTH
SLEEP DISORDERS
Pay Attention to Signs That Say You're Too Fatigued to Drive
6 to 8 Hours of Shut-Eye Is Optimal for Health
Better Sleep, Grades Seem to Go Up
WOMEN'S HEALTH
Iodine in Prenatal Vitamins Varies Widely
Health Tip: Be More Comfortable During Childbirth
Simple Carbs Pose Heart Risk for Women
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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