ALLERGY, RESPIRATORY
New Spray Could Benefit Cystic Fibrosis Patients
Combating Myths About Seasonal Allergies
Obesity May Raise Kids' Allergy Risk
ALTERNATIVE MEDICINE
Health Tip: Anticipating Acupuncture
New Insights Show Ginseng Fights Inflammation
Garlic Yields Up Its Health Secret
ANIMAL CARE
Safe Toys for Dogs
'Comfort Dogs' Come to Emotional Rescue
Beware of Dog Bites
BONES & JOINTS
Tequila Plant May Help Fight Bone Loss
Active Young Women Need Calcium, Vitamin D
Scientists ID New Genes Tied to Crohn's Disease
CANCER
Ginger Can Ease Nausea From Chemotherapy Treatments
Seaweed May Help Treat Lymphoma
Smoking Ups Risk of Second Breast Cancer
CAREGIVING
Critically Ill Patients Lack Vitamin D
Rapid Infant Weight Gain Linked to Childhood Obesity
Bariatric Surgery Centers Don't Deliver Better Outcomes
CIRCULATORY SYSTEM
Drink a Little Wine, Live a Little Longer
Potassium-Rich Foods May Cut Stroke, Heart Disease Risk
Bye, Bye Back Fat?
COSMETIC
Get Sugared!.... Its a sweet choice for hair removal
Gum Chewing May Cut Craving for Snacks
Science May Banish Bad Hair Days
DENTAL, ORAL
Hormones May Be to Blame for Women's Cavity Rates
Amino Acid May Be Key to Strong Teeth
Biological Product Shows Promise Against Gum Disease
DIABETES
24 Million Americans Had Diabetes in 2007
Strict Blood Sugar Lowering Won't Ease Diabetes Heart Risk
Arthritis Hits More Than Half of Diabetics
DIET, NUTRITION
Healthy Eating While On Vacation
Low-Fat Diet Does Little to Alter Cholesterol Levels
DASH Diet Has Extra Benefits for Women's Health
DISABILITIES
Could Your Cell Phone Help Shield You From Alzheimer's?
Review Finds Marijuana May Help MS Patients
ENVIRONMENTAL HEALTH
Air Pollution Raises Risk of Heart Disease, Death
Bed Bugs Bring No Disease Danger
Vest Monitors 'Individual' Air Pollution
EYE CARE, VISION
Eye Problems, Hearing Loss May Be Linked
Protein Might One Day Prevent Blindness
It's a Whole New Outlook for Cataract Patients
FITNESS
Many Cancer Survivors Don't Adopt Healthy Lifestyle
Exercise Key Player in Knee Replacement Recovery
Tai Chi: An Ideal Exercise for Many People with Diabetes
GASTROINTESTINAL PROBLEMS
Olive Oil May Protect Against Bowel Disease
HRT Use Raises Risk of Stomach Trouble
New Yogurt May Ease Stomach Ulcers
GENERAL HEALTH
Poor Restroom Cleaning Causes Cruise-Ship Sickness
New Methods Could Speed Production of Flu Vaccines
Workplace Wellness Seems to Really Work
HEAD & NECK
Zen May Thicken Brain, Thwart Pain
Many Children Will Outgrow Headaches
Ski Helmets Encouraged for All
HEALTH & TECHNOLOGY
Imaging Sheds Light on How Acupuncture Works
Subway Defibrillators Save Lives
Combating Myths About Seasonal Allergies
HEARING
Noise Hurts Men's Hearing More, Study Shows
Summer Sounds Can Lead to Hearing Loss
HEART & CARDIOVASCULAR
Lack of Vitamin D Linked to High Blood Pressure
Dark Chocolate May Lower Stroke Risk
Too Much Red Meat May Shorten Life Span
INFECTIOUS DISEASE
Surgical Masks Could Prevent Flu, Maybe
Viral Infection Might Trigger High Blood Pressure
Chinese 'Devil Dung' Plant Could Be a Swine Flu Fighter
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Older People at Greater Risk of Swine Flu Death
Exercise in Adolescence May Cut Risk of Deadly Brain Tumor
Working Intensely Early on May Help Autistic Kids
MEN'S HEALTH
More Vitamin C May Mean Less Chance of Gout
Could Chinese Herb Be a Natural Viagra?
Noise Hurts Men's Hearing More, Study Shows
MENTAL HEALTH
Environmental Chemicals May Affect Male Reproduction
Brain Scans Show How Humans 'Hear' Emotion
Reminiscing Helps Build Emotional Strength
PAIN
Acupuncture, Real or Fake, Eases Back Pain
'Cell Phone Elbow' -- A New Ill for the Wired Age
Are We Exercising Pain Away? Not So Much.
PHYSICAL THERAPY
PREGNANCY
Breast-Feeding May Protect a Woman's Heart
Exercise As Well As Acupuncture, May Ease Polycystic Ovarian Syndrome
Exercise Boosts Bone Density in Breast-Feeding Moms
SENIORS
A Little Alcohol May Stave Off Alzheimer's
Living Alone Increases Odds of Developing Dementia
More Whole Grains May Mean Less Fat
SEXUAL HEALTH
SLEEP DISORDERS
Moderate Aerobics May Ease Insomnia Symptoms
Pay Attention to Signs That Say You're Too Fatigued to Drive
Exercising Throat Muscles May Relieve Sleep Apnea
WOMEN'S HEALTH
Being Active an Hour a Day Puts Brakes on Weight Gain
Air Pollution Slows Women's Marathon Times
Alternative Treatments May Boost IVF Success
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Almost Two-Thirds of Americans Meet Exercise Guidelines

THURSDAY, Dec. 4 (HealthDay News) -- An estimated 65 percent of people in the United States last year met the 2008 Physical Activity Guidelines for Americans. And 49 percent of those people met the Healthy People 2010 physical activity objectives, according to a federal report released Thursday.

According to the 2008 guidelines, released in October by the U.S. Department of Health and Human Services, the minimum recommended aerobic physical activity required to produce substantial health benefits in adults is 150 minutes of moderate-intensity activity or 75 minutes of vigorous activity per week, or an equivalent combination of moderate and vigorous physical activity. In addition, muscle-strengthening exercises are recommended at least twice a week.

The 2010 guidelines call for adults to do at least 30 minutes of moderate-intensity activity five days per week, or 20 minutes of vigorous activity three days a week.

For this study, U.S. Centers for Disease Control and Prevention researchers analyzed data from 399,107 adults aged 18 and older who took part in the 2007 Behavioral Risk Factor Surveillance System (BRFSS) survey. The 64.5 percent of respondents who met the 2008 guidelines included 68.9 percent of men and 60.4 percent of women. By age group, the percentage classified as physically active ranged from 51.2 percent of those older than 65, to 74 percent of those ages 18 to 24.

Among racial/ethnic groups, rates were lower for non-Hispanic blacks (56.5 percent) than for non-Hispanic whites (67.5 percent). By education levels, rates were lowest for those with less than a high school diploma (52.2 percent) and highest for college graduates (70.3 percent). By region, rates were lowest in the South (62.3 percent) and highest in the West (67.8 percent). The study also found that 68.8 percent of normal weight people were physically active, compared with 67.3 percent of those who were overweight and 57.1 percent of those who were obese.

The 48 percent of respondents who met the Healthy People 2010 objectives included 50.7 percent of men and 47 percent of women.

The study was published in the Dec. 5 Morbidity and Mortality Weekly Report, a publication of the CDC.

In the BRFSS survey, moderate physical activity was assessed by asking respondents, "When you are not working, in a usual week, do you do moderate activities for at least 10 minutes at a time, such as brisk walking, bicycling, vacuuming, gardening, or anything else that causes some increase in breathing or heart rate?"

Those who answered yes were then asked, "How many days per week do you do these moderate activities for at least 10 minutes at a time?" Finally, they were asked, "On days when you do moderate activities for at least 10 minutes at a time, how much total time per day do you spend doing these activities?"

To assess participation in vigorous-intensity activities, respondents were asked, "When you are not working, in a usual week, do you do vigorous activities for at least 10 minutes at a time, such as running, aerobics, heavy yard work, or anything else that causes large increases in breathing or heart rate?"

Those who answered yes were then asked, "How many days per week do you do these vigorous activities for at least 10 minutes at a time?" Finally, they were asked, "On days when you do vigorous activities for at least 10 minutes at a time, how much total time per day do you spend doing these activities?"

More information

Here's where you can find the 2008 Physical Activity Guidelines for Americans.



-- Robert Preidt



SOURCE: Dec. 5, 2008, Morbidity and Mortality Weekly Report, U.S. Centers for Disease Control and Prevention, Atlanta

Last Updated: Dec. 04, 2008

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