ALLERGY, RESPIRATORY
Climate Change Could Sting Allergy, Asthma Sufferers
Traffic, Dust Linked to Asthma in Kids
Air Quality Better in Northeast, Midwest
ALTERNATIVE MEDICINE
No Verdict Yet on Grape Seed Extract vs. Breast Cancer
Soybean Chemicals May Reduce Effects of Menopause
Meditation May Boost Short-Term Visual Memory
ANIMAL CARE
Beware of Dog Bites
Animals Respond to Acupuncture's Healing Touch
Rest Easy. When It Comes to Swine Flu, Your Pet Is Safe
BONES & JOINTS
Living Near Major Road May Boost Rheumatoid Arthritis Risk
Healthy adults have potential autoimmune disease-causing cells
Fractures in Older Adults Up Death Risk
CANCER
Multiple Screening Strategy Boosts Cervical Cancer Detection
Scams and Shams That Prey on Cancer Patients
Bitter Melon Extract May Slow, Stop Breast Cancer
CAREGIVING
More Than 60,000 Patients Risked Hepatitis Infections
Hospital Volume Imperfect Gauge of Cancer Surgery Outcomes
Most Women Struggle With Rising Health Care Costs
CIRCULATORY SYSTEM
Salt Boosts Blood Pressure in High-Risk Patients
Migraines in Pregnancy Boost Vascular Risks
Walk 100 Steps a Minute for 'Moderate' Exercise
COSMETIC
Gum Chewing May Cut Craving for Snacks
Health Tip: After Liposuction
Contact Lenses Boost Kids' Self-Image
DENTAL, ORAL
Dental Implants Need More Work Than Root Canals
Holistic Dentistry-My View
Sports Drinks May Be Tough on Teeth
DIABETES
Poor Blood Sugar Control After Heart Surgery Impacts Outcomes
Red-Grape Compound May Improve Diabetes
Whole Grains Take a Bite Out of Type 2 Diabetes Risk
DIET, NUTRITION
The Best Diet? That Depends on You
Adding Garlic Might Cut Cancer Risk
Many Kids Don't Need the Vitamins They're Taking
DISABILITIES
Could Your Cell Phone Help Shield You From Alzheimer's?
Review Finds Marijuana May Help MS Patients
ENVIRONMENTAL HEALTH
Is It Safe to Go in the Gulf Coast's Water?
Cleaning House May Be Risky for Women With Asthma
Vitamin D Deficit May Trigger MS Risk Gene
EYE CARE, VISION
Glaucoma Associated With Reading Impairments in Elderly
When Corks Fly, Watch the Eyes
Drinking Green Tea May Protect Eyes
FITNESS
Go To Work But Skip The Car
Moderate Aerobic Exercise Lowers Diabetics' Liver Fat
Have Fun This Summer, But DO Be Careful
GASTROINTESTINAL PROBLEMS
New Yogurt May Ease Stomach Ulcers
Bowel Prep Harder on Women Than Men
Peppermint Oil, Fiber Can Fight Irritable Bowel
GENERAL HEALTH
How Weight Loss Can Help the Heart
Music Therapy For Prehistoric Man?
Dry Weather Boosts Odds of Flu Outbreaks
HEAD & NECK
Many Children Will Outgrow Headaches
Ski Helmets Encouraged for All
Zen May Thicken Brain, Thwart Pain
HEALTH & TECHNOLOGY
The Internet Is Becoming One-Stop Shopping for Health Help
Imaging Sheds Light on How Acupuncture Works
Save Your Aging Brain, Try Surfing The Web
HEARING
Summer Sounds Can Lead to Hearing Loss
Noise Hurts Men's Hearing More, Study Shows
HEART & CARDIOVASCULAR
Irregular Heartbeat Tied to Alzheimer's Disease
Implanted Defibrillators Boost Long-Term Survival
Fish Oil Supplements Help With Heart Failure
INFECTIOUS DISEASE
Swine Flu Now Reported in All 50 States
Older Adults May Have Some Immunity to Swine Flu
The HPV Vaccine: Preventative Medicine or Human Sacrifice?
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Fussy Babys Could Be Out Of Your Control
Family Medicine Cabinet Top Source Of Kid's Poisonings
Working Intensely Early on May Help Autistic Kids
MEN'S HEALTH
The Dark Side of Vegetarianism
Vigorous Exercise Cuts Stroke Risk for Men, Not Women
Drinking Green Tea May Slow Prostate Cancer
MENTAL HEALTH
Fear Response May Stem From Protein in Brain
Worries About Weight Are Tied to Teen Suicide Tries
Using the Mind to Heal the Heart
PAIN
Tai Chi May Help Ease Fibromyalgia
Are We Exercising Pain Away? Not So Much.
Acupuncture, Real or Fake, Eases Back Pain
PHYSICAL THERAPY
PREGNANCY
Yoga's Benefits Outweigh Risks for Pregnant Women
Obesity May Affect Fertility in Young Womene
Acupuncture May Ease Depression During Pregnancy
SENIORS
Seniors Who Volunteer May Live Longer
The Healthy Habits of Centenarians
Laughter Can Stimulate a Dull Appetite
SEXUAL HEALTH
SLEEP DISORDERS
Better Sleep, Grades Seem to Go Up
6 to 8 Hours of Shut-Eye Is Optimal for Health
Daylight Savings: Not a Bright Time for All
WOMEN'S HEALTH
Acupuncture May Relieve Acid Indigestation In Pregnancy
Health Tip: Be More Comfortable During Childbirth
Prenatal Stress May Boost Baby's Asthma Risk
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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