ALLERGY, RESPIRATORY
'Safe' Ozone Levels May Not Be for Some
Using Music and Sports to Improve Kids' Asthma
Childhood Food Allergies on the Rise
ALTERNATIVE MEDICINE
Higher Vitamin D Intake Could Cut Cancer Risk
Meditation, Yoga Might Switch Off Stress Genes
Acupuncture May Not Help Hot Flashes
ANIMAL CARE
Animals Respond to Acupuncture's Healing Touch
'Comfort Dogs' Come to Emotional Rescue
Safe Toys for Dogs
BONES & JOINTS
Drinking Cuts Rheumatoid Arthritis Risk
Study Examines How Rheumatoid Arthritis Destroys Bone
Vitamin C Protects Some Elderly Men From Bone Loss
CANCER
Well Water Might Raise Bladder Cancer Risk
Vitamin D Good for Breast Cancer Patients
Minorities Distrust Medical System More
CAREGIVING
Reduce Suffering, Urge Heart Failure Patients and Caregivers
Caring for Aging Loved Ones Can Be a Catch-22
Most Women Struggle With Rising Health Care Costs
CIRCULATORY SYSTEM
High Blood Fat Levels Common in Americans
Salt Boosts Blood Pressure in High-Risk Patients
Common Antioxidant Might Slow Parkinson's
COSMETIC
Wrinkle Fillers Need Better Label Warnings: FDA Panel
Contact Lenses Boost Kids' Self-Image
The Acne Drug Accutane More Than Doubles Depression Risk
DENTAL, ORAL
Hormones May Be to Blame for Women's Cavity Rates
A Sweet Way to Shield Baby's Teeth
Health Tip: At Risk for Gingivitis
DIABETES
Arthritis Hits More Than Half of Diabetics
Patients' Photos Help Boost Radiologists' Accuracy
Study Shows Turmeric May Prevent Type 2 Diabetes
DIET, NUTRITION
Mercury in Fish Linked to High Blood Pressure
5 Reasons why you could gain weight while dieting
Olive Oil May Be Key to Mediterranean Diet's Benefits
DISABILITIES
Could Your Cell Phone Help Shield You From Alzheimer's?
Review Finds Marijuana May Help MS Patients
ENVIRONMENTAL HEALTH
Greenhouse Gases Hazardous to Your Health
Pilots May Face Greater Cancer Risk
Agent Orange Exposure Tied to Prostate Cancer Return
EYE CARE, VISION
It's a Whole New Outlook for Cataract Patients
Diabetic Eye Disease Rates Soaring
Just Like Skin, Eyes Can 'Burn' in Strong Sun
FITNESS
Exercise As Well As Acupuncture, May Ease Polycystic Ovarian Syndrome
MRSA Infections Can Bug Fitness Buffs
'Safe' Ozone Levels May Not Be for Some
GASTROINTESTINAL PROBLEMS
Intestinal Bacteria Trigger Immune Response
Gum Chewing May Speed Colon Surgery Recovery
Soothing Imagery May Help Rid Some Kids of Stomach Pain
GENERAL HEALTH
Most Women Struggle With Rising Health Care Costs
Eat Light - Live Longer
How Weight Loss Can Help the Heart
HEAD & NECK
Zen May Thicken Brain, Thwart Pain
Ski Helmets Encouraged for All
Many Children Will Outgrow Headaches
HEALTH & TECHNOLOGY
Airport Full Body Scanners Pose No Health Threat: Experts
Combating Myths About Seasonal Allergies
Imaging Sheds Light on How Acupuncture Works
HEARING
Noise Hurts Men's Hearing More, Study Shows
Summer Sounds Can Lead to Hearing Loss
HEART & CARDIOVASCULAR
Kids With Vitamin D Deficiency Linked to Heart Trouble
Psychiatric Drugs Might Raise Cardiac Death Risk
Brown Rice Tied to Better Heart Health in Study
INFECTIOUS DISEASE
Swine Flu Is Now a Pandemic Says W.H.O.
More Medicinal Uses for Pomegranate
Swine Flu Closes Three Schools in NYC
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Eating Fish, Breast-Feeding Boost Infant Development
3 Home Habits Help Youngsters Stay Slim
Stomach Germ May Protect Against Asthma
MEN'S HEALTH
Whole Grains, Bran May Fight Hypertension in Men
Exercise May Prevent Prostate Cancer: Study Shows
Strenuous Daily Workout May Keep Cancer at Bay
MENTAL HEALTH
Fear Response May Stem From Protein in Brain
A Little Alcohol May Stave Off Alzheimer's
The Acne Drug Accutane More Than Doubles Depression Risk
PAIN
Acupuncture, Real or Fake, Eases Back Pain
'Cell Phone Elbow' -- A New Ill for the Wired Age
Tai Chi May Help Ease Fibromyalgia
PHYSICAL THERAPY
PREGNANCY
Acupuncture May Relieve Acid Indigestation In Pregnancy
Woman in America Are Delaying Motherhood, Study Says
Alternative Treatments May Boost IVF Success
SENIORS
Eating Well And Keeping Active As You Grow Old Will Help You Stay Sharp
Video Gaming Just Might Fight Aging
For a Healthier Retirement, Work a Little
SEXUAL HEALTH
SLEEP DISORDERS
Meditation May Help Put Primary Insomnia to Bed
6 to 8 Hours of Shut-Eye Is Optimal for Health
Sleeping Could Help Women Lose The Baby Fat
WOMEN'S HEALTH
Rheumatoid Arthritis Rising Among U.S. Women
Supportive Weigh-In Program Keeps Pounds Off
Spice Compounds May Stem Tumor Growth
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Household Chemicals May Affect Cholesterol Levels

(HealthDay News) -- Chemicals used in food packaging, paper and textile coatings may affect blood cholesterol levels in people, U.S. researchers have found.

Previous studies have found that polyfluoroalkyl chemicals (PFCs) are present in the bodies of most people. In this new study, a team at the Boston University School of Public Health analyzed the association between serum cholesterol levels and four PFCs: perfluorooctanoic acid (PFOA), perfluorononanoic acid (PFNA), perfluorooctane sulfonic acid (PFOS), and perfluorohexane sulfonic acid (PFHxS).

The analysis of data from the National Health and Nutrition Examination Survey revealed that people with levels of PFOS, PFOA and PFNA in the top 25 percent had higher total and non-HDL cholesterol (primarily the "bad" LDL cholesterol) than those with levels in the lowest 25 percent.

The association was most noticeable for PFNA, with a 13.9 milligram per deciliter difference in estimated cholesterol levels between people with the highest and lowest levels of the chemical, the study authors noted.

The researchers found little evidence of a link between PFC levels and body size or insulin resistance, according to the report in the Nov. 2 issue of the journal Environmental Health Perspectives.

"Though these results are based on cross-sectional data and are exploratory, they are consistent with much of the human epidemiologic literature and indicate that polyfluoroalkyl chemicals may be exerting an effect on cholesterol at environmentally relevant exposures," wrote first author Jessica Nelson and colleagues. "Our study affirms the importance of investigating polyfluoroalkyl chemicals other than PFOS and PFOA, particularly as industrial uses of PFOS and PFOA decline and other polyfluoroalkyl chemicals are substituted."

SOURCES: Environmental Health Perspectives, news release, Nov. 2, 2009