ALLERGY, RESPIRATORY
Asthmatics Who Quit Smoking May Reverse Lung Damage
Air Pollution May Raise Blood Pressure
Traffic, Dust Linked to Asthma in Kids
ALTERNATIVE MEDICINE
Quit Smoking the Holistic Way
Acupuncture May Trigger Natural Painkiller
Grapefruit Compound Inhibits Hepatitis C Virus
ANIMAL CARE
Separation Anxiety, Canine-Style
Animals Respond to Acupuncture's Healing Touch
Rest Easy. When It Comes to Swine Flu, Your Pet Is Safe
BONES & JOINTS
Rheumatoid Arthritis Hits Women Harder
New Clues to How Fish Oils Help Arthritis Patients
Vitamin C Protects Some Elderly Men From Bone Loss
CANCER
Physical Activity May Prolong Survival After Colon Cancer
Smoking Exposure Now Linked to Colon, Breast Cancers
Vitamin D May Improve Melanoma Survival
CAREGIVING
Child's Food Allergies Take Toll on Family Plans
Rapid Infant Weight Gain Linked to Childhood Obesity
Organ Donation Policies Vary Among Children's Hospitals
CIRCULATORY SYSTEM
Tai Chi and Qigong Offer Many Health Benefits: Review
Grapefruit-Heavy Diet Helped Spur Dangerous Clot
Common Antioxidant Might Slow Parkinson's
COSMETIC
Health Tip: After Liposuction
Science May Banish Bad Hair Days
Mouse Study Finds Molecule That Tells Hair to Grow
DENTAL, ORAL
Mom's Vitamin D Levels Affect Baby's Dental Health
An Oral Approach to Heart Disease
Gummy Bears Join Cavity Fight
DIABETES
Treatment for Type 2 Diabetes Updated
Coffee, Tea Might Stave Off Diabetes
Exercise Protects Black Women From Type 2 Diabetes
DIET, NUTRITION
Research Confirms How Valuable A Healthy Lifestyle Can Be
Indian Spice May Thwart Liver Damage
Western Diet Linked To Heart Disease, Metabolic Syndrome
DISABILITIES
Review Finds Marijuana May Help MS Patients
Could Your Cell Phone Help Shield You From Alzheimer's?
ENVIRONMENTAL HEALTH
Pollution Particles Impair Blood Vessel Function
Air Quality Better in Northeast, Midwest
Freckles, Moles May Indicate Risk for Eye Cancer
EYE CARE, VISION
Sports Eye Injuries Leading Cause of Blindness in Youths
Diabetic Eye Disease Rates Soaring
Brain Adapts to Age-Related Eye Disease
FITNESS
Weak Muscles May Cause 'Runner's Knee'
Marathoners Go the Distance on Heart Health
Exercise 30 Minutes a Day? Who Knew!
GASTROINTESTINAL PROBLEMS
HRT Use Raises Risk of Stomach Trouble
New Guidelines Issued for Management of IBS
Traditional Nonsurgical GERD Treatments Not Impressive
GENERAL HEALTH
Poor Restroom Cleaning Causes Cruise-Ship Sickness
Swine Flu May Have Infected More Than 100,000 Americans
Music Therapy For Prehistoric Man?
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
Imaging Sheds Light on How Acupuncture Works
'Comfort Dogs' Come to Emotional Rescue
HEARING
Summer Sounds Can Lead to Hearing Loss
Noise Hurts Men's Hearing More, Study Shows
HEART & CARDIOVASCULAR
Cherry-Enriched Diet Cut Heart Risks in Rats
Using Light Therapy to Silence Harmful Brain Activity
Fatty Fish May Cut Heart Failure Risk in Men
INFECTIOUS DISEASE
Poor Restroom Cleaning Causes Cruise-Ship Sickness
Surgical Masks Could Prevent Flu, Maybe
Swine Flu Now Reported in All 50 States
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Teens Lose More Weight Using Healthy Strategies
Obesity May Raise Kids' Allergy Risk
Better Sleep, Grades Seem to Go Up
MEN'S HEALTH
Exercise May Prevent Prostate Cancer: Study Shows
The Dark Side of Vegetarianism
Low Vitamin D Levels May Boost Men's Heart Attack Risk
MENTAL HEALTH
Man's Best Friend Helps Mend Broken Hearts
Common Social Groups and Race, Seem to Help People Relate
Drink Away Dementia?
PAIN
Alleviating Rheumatoid Arthritis
'Cell Phone Elbow' -- A New Ill for the Wired Age
Tai Chi May Help Ease Fibromyalgia
PHYSICAL THERAPY
PREGNANCY
Expectant Mom's Exercise Keeps Newborn's Birth Weight Down
Breast-Feeding Benefits Moms and Babies
Exercise As Well As Acupuncture, May Ease Polycystic Ovarian Syndrome
SENIORS
Daily dose of beet juice promotes brain health in older adults
A Little Alcohol May Stave Off Alzheimer's
More Whole Grains May Mean Less Fat
SEXUAL HEALTH
SLEEP DISORDERS
Lose Weight, Sleep Apnea May Improve
Sleeping Could Help Women Lose The Baby Fat
Exercising Throat Muscles May Relieve Sleep Apnea
WOMEN'S HEALTH
Vitamin D Deficiency Puts 40% of U.S. Infants and Toddlers At Risk
Prenatal Stress May Boost Baby's Asthma Risk
Natural Therapies for Menopause
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Red Meat No No No But Oily Fish Yes Yes Yes

THURSDAY, July 23 (HealthDay News) -- Consuming too much of a common polyunsaturated fatty acid could be a contributing factor in an estimated 30 percent of all cases of ulcerative colitis, researchers say.

In a new study, participants who had the highest intake of linoleic acid had more than double the chance of developing the painful inflammation and blistering of the bowels as did those whose diet contained the least of the acid. The report is published online in Gut.

Red meat and some cooking oils and margarines are among the many dietary sources of linoleic acid.

However, the research also found that consuming lots of omega 3 fatty acids can cut the chance of developing ulcerative colitis by more than three quarters. Oily fish such as salmon and mackerel, flaxseed and certain dairy products are rich in omega 3, also known as docosahexanoic acid.

The European study, which looked at the dietary habits of more than 200,000 people in five countries, found that ulcerative colitis occurred about equally in men and women and at an average age of 60. The data analysis took into account other possible causes of the condition, including smoking, age, caloric intake and aspirin use.

The body converts linoleic acid to arachidonic acid, a component of the cell membranes in the bowel, and it then can turn into various chemicals that inflame tissue, according to information in a news release from the journal's publisher. People with ulcerative colitis have been found to have high levels of these chemicals in their bowel tissue.

Having ulcerative colitis, which is a chronic condition, puts a person at a higher risk of developing bowel cancer.

SOURCES: BMJ Specialist Journals, news release, July 22, 2009