ALLERGY, RESPIRATORY
Overweight Moms More Likely to Have Asthmatic Kids
'Safe' Ozone Levels May Not Be for Some
Air Pollution May Raise Blood Pressure
ALTERNATIVE MEDICINE
No Verdict Yet on Grape Seed Extract vs. Breast Cancer
Placebo Acupuncture Tied to Higher IVF Pregnancies
Imaging Sheds Light on How Acupuncture Works
ANIMAL CARE
Separation Anxiety, Canine-Style
Beware of Dog Bites
'Comfort Dogs' Come to Emotional Rescue
BONES & JOINTS
Study Examines How Rheumatoid Arthritis Destroys Bone
Soccer's a Winner for Building Bone Health in Girls
Living Near Major Road May Boost Rheumatoid Arthritis Risk
CANCER
Acupuncture May Help Relieve Polycystic Ovary Syndrome
Vitamin D May Improve Melanoma Survival
Vitamin D Good for Breast Cancer Patients
CAREGIVING
Reduce Suffering, Urge Heart Failure Patients and Caregivers
TV Watching Doesn't Fast-Track Baby's Skills
For Dialysis Patients, More Pills = Lower Quality of Life
CIRCULATORY SYSTEM
Walk 100 Steps a Minute for 'Moderate' Exercise
Laughter Can Boost Heart Health
Obesity Linked to Heart Failure Risk
COSMETIC
With Psoriasis, the Internet May Offer Hope
Health Tip: After Liposuction
Science May Banish Bad Hair Days
DENTAL, ORAL
Acupuncture May Ease Anxiety Over Dental Work
Biological Product Shows Promise Against Gum Disease
Periodontal Disease Impacts Whole Health
DIABETES
Coffee, Tea Might Stave Off Diabetes
Arthritis Hits More Than Half of Diabetics
Drug May Not Help Diabetes-Related Eye Damage
DIET, NUTRITION
To Feel Better, Low-Fat Diet May Be Best
TV Food Ads Promote Bad Diets
Coffee Beans May Be Newest Stress-Buster
DISABILITIES
Could Your Cell Phone Help Shield You From Alzheimer's?
Review Finds Marijuana May Help MS Patients
ENVIRONMENTAL HEALTH
Staying Slim Is Good for the Environment
Smog Tougher on the Obese
Clear Skies Have Become Less So Over Time, Data Show
EYE CARE, VISION
Action-Filled Video Games Boost Adult Vision
Guard Kids' Eyes Against Long-Term Sun Damage
Eye Care Checkups Tied to Insurance Status
FITNESS
Exercise 30 Minutes a Day? Who Knew!
Research Confirms How Valuable A Healthy Lifestyle Can Be
Higher Fitness Levels Tied to Lower Heart, Death Risks
GASTROINTESTINAL PROBLEMS
Japanese Herbals May Ease Gastro Woes
Soothing Imagery May Help Rid Some Kids of Stomach Pain
Bowel Prep Harder on Women Than Men
GENERAL HEALTH
Lose Weight, Sleep Apnea May Improve
Hand-Washing Habits Still Need Improvement: Survey Says
Coffee Cuts Liver Scarring in Hepatitis C
HEAD & NECK
Many Children Will Outgrow Headaches
Zen May Thicken Brain, Thwart Pain
Ski Helmets Encouraged for All
HEALTH & TECHNOLOGY
Using Light Therapy to Silence Harmful Brain Activity
Imaging Sheds Light on How Acupuncture Works
Subway Defibrillators Save Lives
HEARING
Noise Hurts Men's Hearing More, Study Shows
Summer Sounds Can Lead to Hearing Loss
HEART & CARDIOVASCULAR
Too Much Red Meat May Shorten Life Span
Cherry-Enriched Diet Cut Heart Risks in Rats
Arteries Age Twice as Fast in Smokers
INFECTIOUS DISEASE
Swine Flu Now Reported in All 50 States
Swine Flu Is Now a Pandemic Says W.H.O.
Swine Flu Loves a Crowd
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Frequent Feedings May Be Making Babies Fat
Daily Exercise at School Yields Rewards
Decline of Underweight Children in U.S. Continue to Fall
MEN'S HEALTH
Physical Activity May Prolong Survival After Colon Cancer
Low Vitamin D Levels May Boost Men's Heart Attack Risk
Exercise May Prevent Prostate Cancer: Study Shows
MENTAL HEALTH
A Simple 'Thank You' Brings Rewards to All
Man's Best Friend Helps Mend Broken Hearts
Massage Fosters Healing in Bereaved Relatives
PAIN
Acupuncture, Real or Fake, Eases Back Pain
Tai Chi May Help Ease Fibromyalgia
Are We Exercising Pain Away? Not So Much.
PHYSICAL THERAPY
PREGNANCY
Before Conceiving, Take Folic Acid for One Full Year
For Baby and Mom Alike, Breast-Feeding May Be Best
Pre-Pregnancy Weight Linked to Babies' Heart Problems
SENIORS
Exercise Benefits Even the Oldest Old
Memory Loss Help from Brain Supplement Prevagen
Common Antioxidant Might Slow Parkinson's
SEXUAL HEALTH
SLEEP DISORDERS
Exercising Throat Muscles May Relieve Sleep Apnea
Pay Attention to Signs That Say You're Too Fatigued to Drive
Meditation May Help Put Primary Insomnia to Bed
WOMEN'S HEALTH
Occaisonal Dieting May Cut Breast Cancer, Study Says
Postmenopausal Women With Breast Cancer Face Joint Issues
Natural Childbirth Moms More Attuned to Babies' Cry
Add your Article

Pilots May Face Greater Cancer Risk

THURSDAY, Dec. 11 (HealthDay News) -- Highly experienced pilots may be at risk of DNA damage from prolonged exposure to cosmic ionizing radiation, according to a study that compared 83 airline pilots to 50 university faculty members from the same U.S. city.

Blood samples from the participants were analyzed for DNA abnormalities, specifically the number of times pairs of chromosomes had changed places -- called translocations. Since translocations aren't eliminated from the blood like other forms of chromosomal abnormalities, they serve as a reliable indicator of cumulative DNA damage associated with radiation exposure, according to the study authors.

The researchers found that pilots had a higher average frequency of translocation than the university faculty members -- 0.39 per 100 cell equivalents vs. 0.32 per 100 cell equivalents. However, after the researchers adjusted for age, smoking and other risk factors for DNA damage, there was no difference between the two groups.

But, differences did emerge when the researchers focused on how long the pilots had been flying. Those who'd flown the most had twice the frequency of translocations as those who'd flown the least.

The findings suggest that experienced pilots may be exposed to biologically significant doses of ionizing radiation, said the researchers, who noted that chromosomal abnormalities have been linked with an increased risk of cancer.

The study was published in the Dec. 11 online issue of Occupational and Environmental Medicine.

More information

The U.S. Environmental Protection Agency has more about ionizing and non-ionizing radiation.



-- Robert Preidt



SOURCE: BMJ Specialist Journals, news release, Dec. 11. 2008

Last Updated: Dec. 11, 2008

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