ALLERGY, RESPIRATORY
'Safe' Ozone Levels May Not Be for Some
Combating Myths About Seasonal Allergies
Childhood Food Allergies on the Rise
ALTERNATIVE MEDICINE
Indigo Ointment Benefits Psoriasis Patients
Awareness of Alternative Therapies May Be Lacking
Many Cancer Patients Turn to Complementary Medicine
ANIMAL CARE
Rest Easy. When It Comes to Swine Flu, Your Pet Is Safe
Beware of Dog Bites
'Comfort Dogs' Come to Emotional Rescue
BONES & JOINTS
Hip Replacement Boosts Mobility at Any Age
High Birth Weight Doubles Risk of Rheumatoid Arthritis
Health Tip: Back Pain in Children
CANCER
Papaya Could Be a Cancer Fighter
Adding Garlic Might Cut Cancer Risk
Herb May Counter Liver Damage From Chemo
CAREGIVING
Coordination Has Led to Quicker Heart Treatment
Caregiving May Lengthen Life
Tainted China Formula Caused High Rate of Kidney Stones in Kids
CIRCULATORY SYSTEM
Salt Boosts Blood Pressure in High-Risk Patients
Anemia Rates Down for U.S. Women and Children
Firefighters Have Narrower-Than-Normal Arteries, Study Finds
COSMETIC
The Acne Drug Accutane More Than Doubles Depression Risk
Study Evaluates Laser Therapies for Hair Removal
New Genetic Links to Baldness Discovered
DENTAL, ORAL
Acupuncture May Ease Anxiety Over Dental Work
Holistic Dentistry-My View
Dental Implants Need More Work Than Root Canals
DIABETES
Fish Twice a Week Cuts Diabetics' Kidney Risks
Coffee, Tea Might Stave Off Diabetes
Findings Challenge Tight Glucose Control for Critically Ill Patients
DIET, NUTRITION
Potassium-Rich Foods May Cut Stroke, Heart Disease Risk
Myrrh May Lower High Cholesterol
Vitamin D Vital for the Heart
DISABILITIES
Could Your Cell Phone Help Shield You From Alzheimer's?
Review Finds Marijuana May Help MS Patients
ENVIRONMENTAL HEALTH
Meat-Eating Dinosaurs Used Legs and Arms Like Birds
Chemical in Plastics May Cause Fertility Problems
Clear Skies Have Become Less So Over Time, Data Show
EYE CARE, VISION
Hybrid Cars Pose Risk to Blind, Visually Impaired
Glaucoma Associated With Reading Impairments in Elderly
Magnetic Pulses to Brain Improve Lazy Eye in Adults
FITNESS
Weak Muscles May Cause 'Runner's Knee'
Antioxidants Blunt Exercise Benefit, Study Shows
Eating Well And Keeping Active As You Grow Old Will Help You Stay Sharp
GASTROINTESTINAL PROBLEMS
HRT Use Raises Risk of Stomach Trouble
New Guidelines Issued for Management of IBS
New Yogurt May Ease Stomach Ulcers
GENERAL HEALTH
U.S. Spends Billions On Alternative Medicine
Quit Smoking the Holistic Way
Cocaine Spurs Long-Term Change in Brain Chemistry
HEAD & NECK
Ski Helmets Encouraged for All
Zen May Thicken Brain, Thwart Pain
Many Children Will Outgrow Headaches
HEALTH & TECHNOLOGY
Imaging Sheds Light on How Acupuncture Works
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
Ingredient in Dark Chocolate Could Guard Against Stroke
More Steps a Day Lead to Better Health
Fish Oil Supplements Help With Heart Failure
INFECTIOUS DISEASE
Swine Flu Now Reported in All 50 States
Dry Weather Boosts Odds of Flu Outbreaks
Swine Flu Closes Three Schools in NYC
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Pool Chemicals Raise Kids Allergy, Asthma Risk
Winter's Bitter Cold Poses Health Dangers
Traffic, Dust Linked to Asthma in Kids
MEN'S HEALTH
Low Vitamin D Levels May Boost Men's Heart Attack Risk
Exercise May Prevent Prostate Cancer: Study Shows
Drinking Green Tea May Slow Prostate Cancer
MENTAL HEALTH
Consciousness Helps the Mind and Body Work Together
17 Ways to Create the Perfect Workday
Meaningful Conversations Boost Kids' Language Skills
PAIN
Are We Exercising Pain Away? Not So Much.
Alleviating Rheumatoid Arthritis
Acupuncture, Real or Fake, Eases Back Pain
PHYSICAL THERAPY
PREGNANCY
Woman in America Are Delaying Motherhood, Study Says
Obesity May Affect Fertility in Young Womene
Heart Defects in Newborns Linked to Antidepressants
SENIORS
The Healthy Habits of Centenarians
Friends, Not Grandkids, Key to Happy Retirement
Protein Deposits May Show Up Before Memory Problems Occur, Study Says
SEXUAL HEALTH
SLEEP DISORDERS
Pay Attention to Signs That Say You're Too Fatigued to Drive
Meditation May Help Put Primary Insomnia to Bed
Sleeping Could Help Women Lose The Baby Fat
WOMEN'S HEALTH
Occaisonal Dieting May Cut Breast Cancer, Study Says
Broccoli May Help Battle Breast Cancer
Soy May Not Lead to Denser Breasts
Add your Article

Bone Loss Stable on Restricted Calorie Diet

TUESDAY, Sept. 23 (HealthDay News) -- Overweight adults who eat a low-calorie diet that includes proper nutrition can lose weight and fat without experiencing significant bone loss, a new study says.

The study, by the team at Pennington Biomedical Research Center in Baton Rouge, La., included 46 healthy, overweight men and women (average age 37) assigned to one of four groups: The 11 participants in the control group ate a healthy diet; 12 others consumed 25 percent fewer calories than they expended per day; 12 created a 25 percent energy deficit by eating fewer calories and exercising five days a week; and 11 people ate a low-calorie diet (890 calories) a day until they achieved a 15 percent weight loss, at which time they switched to a weight maintenance plan.

All the diets contained the recommended levels of vitamin and minerals, and contained 30 percent fat, 15 percent protein and 55 percent carbohydrates, based on American Heart Association guidelines.

After six months, people in the control group had an average body weight reduction of 1 percent, compared with 10.4 percent in the calorie restriction group, 10 percent in the calorie restriction plus exercise group, and 13.9 percent in the low-calorie diet group.

At the start and end of the study, the researchers measured the participants' bone mineral density and blood markers of bone resorption and formation -- processes by which bone is broken down and regenerated on a regular basis.

"Compared with the control group, none of the groups showed any change in bone mineral density for total body or hip," the study authors wrote.

After six months, markers of bone resorption were increased in all three intervention groups. Markers of bone formation were lower in the calorie restriction group but remained the same in the low-calorie diet or calorie restriction plus exercise group.

"Our data do not support the notion that extreme weight loss (more than 10 percent) over short periods (three months) has a worse prognosis on bone health than gradual weight loss achieved over six months by moderate calorie restriction with or without aerobic exercise," the researchers wrote. "We speculate that in young individuals undergoing calorie restriction, minor adjustments in bone occur as a normal physiological adaptation to the reduced body mass. Further studies of longer duration are warranted and should include an assessment of bone architecture to ensure that bone quality is preserved with weight loss."

The study was published in the Sept. 22 issue of the journal Archives of Internal Medicine.

More information

The U.S. National Institute of Diabetes and Digestive and Kidney Diseases has more about weight loss.



-- Robert Preidt



SOURCE: JAMA/Archives journals, news release, Sept. 22, 2008

Last Updated: Sept. 23, 2008

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