ALLERGY, RESPIRATORY
Folic Acid Might Offer Allergy Relief
Climate Change Could Sting Allergy, Asthma Sufferers
Obesity May Raise Kids' Allergy Risk
ALTERNATIVE MEDICINE
Grapefruit Compound Inhibits Hepatitis C Virus
Could Chinese Herb Be a Natural Viagra?
Memory Loss Help from Brain Supplement Prevagen
ANIMAL CARE
'Comfort Dogs' Come to Emotional Rescue
Rest Easy. When It Comes to Swine Flu, Your Pet Is Safe
Animals Respond to Acupuncture's Healing Touch
BONES & JOINTS
Osteoporosis May Raise Risk for Vertigo
Extra Pounds in Mid-Life Affect Later Mobility
Improved Hip Implants Can Last 20 Years
CANCER
Vitamin C Shows Promise as Cancer Treatment
Exercise Cuts Lung Cancer Risk in Ex-Smokers by 45%
Study Cites Gains in Gall Bladder Cancer Treatment
CAREGIVING
Caring for Aging Loved Ones Can Be a Catch-22
Robots May Come to Aging Boomers' Rescue
When the Caregiver Becomes the Patient
CIRCULATORY SYSTEM
Secondhand Smoke Quickly Affects Blood Vessels
Anemia Rates Down for U.S. Women and Children
Drink a Little Wine, Live a Little Longer
COSMETIC
Gum Chewing May Cut Craving for Snacks
New Genetic Links to Baldness Discovered
Wrinkle Fillers Need Better Label Warnings: FDA Panel
DENTAL, ORAL
Sports Drinks May Be Tough on Teeth
Gum Disease May Reactivate AIDS Virus
Biological Product Shows Promise Against Gum Disease
DIABETES
Strict Blood Sugar Lowering Won't Ease Diabetes Heart Risk
Diabetes Linked to Cognitive Problems
24 Million Americans Had Diabetes in 2007
DIET, NUTRITION
Eating your way to Good Health
Marinades Help Keep Grilled Meat Safe
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
Accumulated Lead May Affect Older Women's Brains
Exhaust From Railroad Diesel Linked to Lung Ailments
Home Renovations by Affluent Families Can Unleash Lead Threat
EYE CARE, VISION
Blood Sugar Control Helps Diabetics Preserve Sight
Brain Pressure More Likely to Cause Vision Loss in Men
Sports Eye Injuries Leading Cause of Blindness in Youths
FITNESS
Have Fun This Summer, But DO Be Careful
Football Can Shrink Players
Daily Exercise at School Yields Rewards
GASTROINTESTINAL PROBLEMS
New Guidelines Issued for Management of IBS
HRT Use Raises Risk of Stomach Trouble
Soothing Imagery May Help Rid Some Kids of Stomach Pain
GENERAL HEALTH
Lose Weight, Sleep Apnea May Improve
Vinegar Might Help Keep Off Pounds
To Quit Smoking, Try Logging On
HEAD & NECK
Many Children Will Outgrow Headaches
Zen May Thicken Brain, Thwart Pain
Ski Helmets Encouraged for All
HEALTH & TECHNOLOGY
Magnet Therapy May Ease Hard-to-Treat Depression
Using Light Therapy to Silence Harmful Brain Activity
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
Risk Factor for Stroke More Common Among Whites
Brown Rice Tied to Better Heart Health in Study
Ingredient in Dark Chocolate Could Guard Against Stroke
INFECTIOUS DISEASE
More Medicinal Uses for Pomegranate
Viral Infection Might Trigger High Blood Pressure
Grapefruit Compound Inhibits Hepatitis C Virus
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Time to Remind Teens About Sun Protection
Green Tea May Help Brain Cope With Sleep Disorders
Traffic Seems to Make Kids' Asthma Worse
MEN'S HEALTH
Exercise May Prevent Prostate Cancer: Study Shows
Noise Hurts Men's Hearing More, Study Shows
Soy Linked to Low Sperm Count
MENTAL HEALTH
Drink Away Dementia?
Memory Loss Help from Brain Supplement Prevagen
Man's Best Friend Helps Mend Broken Hearts
PAIN
Alleviating Rheumatoid Arthritis
'Cell Phone Elbow' -- A New Ill for the Wired Age
Tai Chi May Help Ease Fibromyalgia
PHYSICAL THERAPY
PREGNANCY
Breast-Feeding Benefits Moms and Babies
Sugary Colas Tied to Gestational Diabetes
Alternative Treatments May Boost IVF Success
SENIORS
Living Alone Increases Odds of Developing Dementia
Nighttime Urination Linked to Higher Death Rate Among Elderly
Protein Deposits May Show Up Before Memory Problems Occur, Study Says
SEXUAL HEALTH
SLEEP DISORDERS
6 to 8 Hours of Shut-Eye Is Optimal for Health
Moderate Aerobics May Ease Insomnia Symptoms
Meditation May Help Put Primary Insomnia to Bed
WOMEN'S HEALTH
Spice Compounds May Stem Tumor Growth
Acupuncture May Ease Depression During Pregnancy
Prenatal Stress May Boost Baby's Asthma Risk
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Artificial Light Linked to Prostate Cancer Risk

WEDNESDAY, Feb. 4 (HealthDay News) -- Men who live in countries with the highest levels of artificial light at night appear more likely to develop prostate cancer, according to American and Israeli researchers.

They looked at the incidence of prostate cancer among men in 164 countries and also studied data on nighttime lighting.

The incidence of prostate cancer in countries with low nighttime lighting exposure was 66.77 per 100,000, compared with 87.11 per 100,000 among men with medium exposure (30 percent greater risk), and 157 per 100,000 among men with high exposure (80 percent greater risk).

The University of Cincinnati and University of Haifa researchers said a number of theories could explain the apparent link between nighttime lighting and increased prostate cancer risk, including: suppression of melatonin production; suppression of the immune system; and disruption of the body clock due to confusion between night and day.

"This does not mean that we have to go back to the Middle Ages and turn the lights out on the country. What it means is that this link should be taken into account in planning the country's energy policies," the researchers said in a news release.

In a previous study, the same team of researchers found an association between nighttime light and the incidence of breast cancer.

More information

The U.S. National Cancer Institute explains prostate cancer prevention.



-- Robert Preidt



SOURCE: University of Haifa, news release, January 2009

Last Updated: Feb. 04, 2009

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