ALLERGY, RESPIRATORY
Asthmatics Who Quit Smoking May Reverse Lung Damage
Obesity May Raise Kids' Allergy Risk
Know Your Asthma Triggers
ALTERNATIVE MEDICINE
Cranberries May Help Prevent Urinary Tract Infections
Regular Yoga May Improve Eating Habits
Traditional Chinese Therapy May Help Ease Eczema
ANIMAL CARE
Animals Respond to Acupuncture's Healing Touch
'Comfort Dogs' Come to Emotional Rescue
Safe Toys for Dogs
BONES & JOINTS
Hip Replacement Boosts Mobility at Any Age
Many Americans Fall Short on Their Vitamin D
Rheumatoid Arthritis May Harm Gums
CANCER
Many Cancer Patients Turn to Complementary Medicine
Bitter Melon Extract May Slow, Stop Breast Cancer
Healthy Behaviors Slow Functional Decline After Cancer
CAREGIVING
Medication Errors Could Be Cut: Experts
Babies Born in High Pollen Months at Wheezing Risk
Hispanic Children More Likely to Have Hearing Loss
CIRCULATORY SYSTEM
Bye, Bye Back Fat?
Migraines in Pregnancy Boost Vascular Risks
Walk 100 Steps a Minute for 'Moderate' Exercise
COSMETIC
Study Evaluates Laser Therapies for Hair Removal
Contact Lenses Boost Kids' Self-Image
Science May Banish Bad Hair Days
DENTAL, ORAL
Gummy Bears Join Cavity Fight
An Oral Approach to Heart Disease
Scientists Find Gene for Tooth Enamel
DIABETES
Drug May Not Help Diabetes-Related Eye Damage
Older Diabetics With Depression Face Higher Death Rate
Formula Puts Doctor, Patient Glucose Readings on Same Page
DIET, NUTRITION
Fruits, Vegetables, Teas May Cut Smokers' Cancer Risk
Successful Weight Loss Shows Unique Brain Patterns
Shedding Light on Why Omega-3 Fatty Acids May Help the Heart
DISABILITIES
Review Finds Marijuana May Help MS Patients
Could Your Cell Phone Help Shield You From Alzheimer's?
ENVIRONMENTAL HEALTH
Database Helps Assess Your Breast Cancer Risk
Main Ingredients in Household Dust Come From Outdoors
Household Chemicals May Affect Cholesterol Levels
EYE CARE, VISION
It's a Whole New Outlook for Cataract Patients
Clues Found to Brain Mechanism Behind Migraines
Diabetic Eye Disease Rates Soaring
FITNESS
Exercise Guards White Blood Cells Against Aging
Exercise May Prevent Prostate Cancer: Study Shows
After a Stroke, Light Exercise Gets Hands, Arms Working Again
GASTROINTESTINAL PROBLEMS
HRT Use Raises Risk of Stomach Trouble
New Yogurt May Ease Stomach Ulcers
Traditional Nonsurgical GERD Treatments Not Impressive
GENERAL HEALTH
Brisk Walk Can Help Leave Common Cold Behind
Kids With Vitamin D Deficiency Linked to Heart Trouble
15-Point Test Gauges Alzheimer's Risk
HEAD & NECK
Ski Helmets Encouraged for All
Many Children Will Outgrow Headaches
Zen May Thicken Brain, Thwart Pain
HEALTH & TECHNOLOGY
Save Your Aging Brain, Try Surfing The Web
Subway Defibrillators Save Lives
Airport Full Body Scanners Pose No Health Threat: Experts
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
Lack of Vitamin D Linked to High Blood Pressure
Omega-6 Fatty Acids Can Be Good for You
INFECTIOUS DISEASE
Surgical Masks Could Prevent Flu, Maybe
Bacterial Infections May Succumb to Honey
Swine Flu Is Now a Pandemic Says W.H.O.
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Mom's Extra Pregnancy Pounds May Raise Child's Heart Risks
Teens Lose More Weight Using Healthy Strategies
Protect Your Kids From Swine Flu While at Camp
MEN'S HEALTH
More Vitamin C May Mean Less Chance of Gout
Whole Grains, Bran May Fight Hypertension in Men
Countdown to Hair Loss
MENTAL HEALTH
Massage Fosters Healing in Bereaved Relatives
Memory Loss Help from Brain Supplement Prevagen
Bullying Seems to Affect Kids Years Later
PAIN
'Cell Phone Elbow' -- A New Ill for the Wired Age
Acupuncture, Real or Fake, Eases Back Pain
Alleviating Rheumatoid Arthritis
PHYSICAL THERAPY
PREGNANCY
Yoga's Benefits Outweigh Risks for Pregnant Women
Acupuncture May Relieve Acid Indigestation In Pregnancy
Acupuncture May Ease Depression During Pregnancy
SENIORS
A Little Alcohol May Stave Off Alzheimer's
Nighttime Urination Linked to Higher Death Rate Among Elderly
Martial Arts Training May Save Seniors' Hips
SEXUAL HEALTH
SLEEP DISORDERS
Sleeping Could Help Women Lose The Baby Fat
Daylight Savings: Not a Bright Time for All
Meditation May Help Put Primary Insomnia to Bed
WOMEN'S HEALTH
Prenatal Stress May Boost Baby's Asthma Risk
Vitamin D Deficiency Puts 40% of U.S. Infants and Toddlers At Risk
Sugary Colas Tied to Gestational Diabetes
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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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