ALLERGY, RESPIRATORY
New Spray Could Benefit Cystic Fibrosis Patients
Obesity May Raise Kids' Allergy Risk
Molecule in Skin May Link Eczema and Asthma
ALTERNATIVE MEDICINE
Wristbands May Lessen Nausea After Radiation
Imaging Sheds Light on How Acupuncture Works
Pain-Relieving Powers of Acupuncture Unclear
ANIMAL CARE
'Comfort Dogs' Come to Emotional Rescue
Separation Anxiety, Canine-Style
Safe Toys for Dogs
BONES & JOINTS
Breast-feeding Might Shield Women From Rheumatoid Arthritis
Brazilian Mint Tea Naturally Good for Pain Relief
Active Young Women Need Calcium, Vitamin D
CANCER
Supplement Hampers Thyroid Cancer Treatment
Higher Vitamin D Intake Could Cut Cancer Risk
Breast Self-Exam Rates Go Up With Counseling
CAREGIVING
Flu Strikes a Milder Blow This Season
Babies Born in High Pollen Months at Wheezing Risk
Many Hospital Patients Can't ID Their Doctors
CIRCULATORY SYSTEM
Secondhand Smoke Quickly Affects Blood Vessels
Night Shift Work Hard on the Heart
Laughter Can Boost Heart Health
COSMETIC
With Psoriasis, the Internet May Offer Hope
The Acne Drug Accutane More Than Doubles Depression Risk
Wrinkle Fillers Need Better Label Warnings: FDA Panel
DENTAL, ORAL
Periodontal Disease Impacts Whole Health
Acupuncture May Ease Anxiety Over Dental Work
Most Insured Adults Worry About Health Care Costs: Poll
DIABETES
Chamomile Tea May Ward Off Diabetes Damage
Vitamin K Slows Insulin Resistance in Older Men
Formula Puts Doctor, Patient Glucose Readings on Same Page
DIET, NUTRITION
An Apple a Day May Help Keep Heart Disease Away
Drinking Your Way to Health? Perhaps Not
Research Confirms How Valuable A Healthy Lifestyle Can Be
DISABILITIES
Could Your Cell Phone Help Shield You From Alzheimer's?
Review Finds Marijuana May Help MS Patients
ENVIRONMENTAL HEALTH
Vest Monitors 'Individual' Air Pollution
Flame-Retardant Chemical Linked to Conception Problems
Dementia Underestimated in Developing Countries
EYE CARE, VISION
Certain Diabetes Drugs May Pose Eye Risk
FDA Goes After Unapproved Eye Washes, Skin Ointments
Thyroid Problems Boost Glaucoma Risk
FITNESS
Fliers Can Keep Blood Clots at Bay
Exercise Cuts Lung Cancer Risk in Ex-Smokers by 45%
As Temperature Plummets, It's Still Safe to Exercise
GASTROINTESTINAL PROBLEMS
Peppermint Oil, Fiber Can Fight Irritable Bowel
New Guidelines Issued for Management of IBS
Traditional Nonsurgical GERD Treatments Not Impressive
GENERAL HEALTH
The Juice From Beetroots May Boost Stamina
Hand Washing 10 Times a Day May Help Keep Flu Away
Man Dies of Brain Inflammation Caused by Deer Tick Virus
HEAD & NECK
Ski Helmets Encouraged for All
Many Children Will Outgrow Headaches
Zen May Thicken Brain, Thwart Pain
HEALTH & TECHNOLOGY
The Internet Is Becoming One-Stop Shopping for Health Help
E-Mailing Your Way to Healthier Habits
'Cell Phone Elbow' -- A New Ill for the Wired Age
HEARING
Noise Hurts Men's Hearing More, Study Shows
Summer Sounds Can Lead to Hearing Loss
HEART & CARDIOVASCULAR
Fewer Heart Attacks After England Goes Smoke-Free
Walk Long, Slow and Often to Help the Heart
Drinking Your Way to Health? Perhaps Not
INFECTIOUS DISEASE
Swine Flu Now Reported in All 50 States
Viral Infection Might Trigger High Blood Pressure
Surgical Masks Could Prevent Flu, Maybe
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
School Phys. Ed. Injuries Up 150 Percent
Help Your Kids Stay Active
Time to Remind Teens About Sun Protection
MEN'S HEALTH
Soy Linked to Low Sperm Count
Drinking Green Tea May Slow Prostate Cancer
Could Chinese Herb Be a Natural Viagra?
MENTAL HEALTH
The Unmedicated Mind
Breast-Fed Baby May Mean Better Behaved Child
The Acne Drug Accutane More Than Doubles Depression Risk
PAIN
Tai Chi May Help Ease Fibromyalgia
Alleviating Rheumatoid Arthritis
Are We Exercising Pain Away? Not So Much.
PHYSICAL THERAPY
PREGNANCY
Music of Mozart Soothes the Preemie Baby
Exercise As Well As Acupuncture, May Ease Polycystic Ovarian Syndrome
Pregnant Women Exposed To Certain Pollutants Could Lower Childs IQ
SENIORS
The Juice From Beetroots May Boost Stamina
A Little Alcohol May Stave Off Alzheimer's
As You Age, Better Health Means Better Sex
SEXUAL HEALTH
SLEEP DISORDERS
Exercising Throat Muscles May Relieve Sleep Apnea
Sleeping Could Help Women Lose The Baby Fat
Moderate Aerobics May Ease Insomnia Symptoms
WOMEN'S HEALTH
Calcium Helps Ward Off Colon Cancer
Acupuncture May Ease Depression During Pregnancy
Acupuncture May Relieve Acid Indigestation In Pregnancy
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Scientists ID New Genes Tied to Crohn's Disease

MONDAY, June 30 (HealthDay News) -- Researchers have identified 21 new genetic regions implicated in Crohn's disease, bringing to 32 the total number of genes and loci -- regions of the genome typically including one or more genes that are known to increase susceptibility to the disease.

For this study, published in the journal Nature Genetics, the international team of scientists and clinicians analyzed DNA samples from almost 12,000 people in Europe and North America.

"We now know of more than 30 genetic regions that affect susceptibility to Crohn's disease. These explain only about a fifth of the genetic risk, which implies that there may be hundreds of genes implicated in the disease, each increasing susceptibility by a small amount," lead author Dr. Jeffery Barrett, of the Wellcome Trust Centre for Human Genetics at the University of Oxford, said in a prepared statement.

"Whilst this study shows the power of genome-wide association studies to reveal the genetics behind common diseases, it also highlights the complexity of diseases such as Crohn's," Barrett noted.

Crohn's disease causes inflammation of the gastrointestinal tract, resulting in pain, ulcers and diarrhea. Onset of the disease typically occurs between the ages of 15 and 40, but it can strike at any age. As many as 80 percent of people with Crohn's disease will require surgery.

Along with identifying potential new targets for the development of drugs to treat Crohn's, this study found that loci with genes associated with Crohn's are also implicated in a number of other diseases such as asthma, diabetes, rheumatoid arthritis and psoriasis.

"It's too early for us to say how Crohn's disease and many of these other diseases, including asthma, are linked at a biological level," study co-author Dr. Miles Parkes, consultant gastroenterologist at Addenbrooke's Hospital and the University of Cambridge, said in a prepared statement. "However, we are building up a picture of the biology underlying Crohn's disease, and the more we understand about the underlying biology of these diseases, the better equipped we will be to treat them."

"Genetics, and particularly the large scale approach of genome-wide association studies, offers much hope for understanding the biological causes of complex diseases," Dr. Mark Walport, director of the Wellcome Trust, said in a prepared statement. "Studies such as this also highlight the important relationships between different diseases, and, as such, may offer valuable insights into the pathways that lead to common symptoms such as inflammation."

The Wellcome Trust is a charity that funds biomedical research.

More information

The U.S. National Institute of Diabetes and Digestive and Kidney Diseases has more about Crohn's disease.



-- Robert Preidt



SOURCE: Wellcome Trust, news release, June 29, 2008

Last Updated: June 30, 2008

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