ALLERGY, RESPIRATORY
Keep Asthma, Allergies at Bay for the Holidays
Childhood Food Allergies on the Rise
'Safe' Ozone Levels May Not Be for Some
ALTERNATIVE MEDICINE
Eight Spiritual Universal Principles in the Art of Practice
Higher Vitamin D Intake Could Cut Cancer Risk
Maggots as Good as Gel in Leg Ulcer Treatments
ANIMAL CARE
Safe Toys for Dogs
Beware of Dog Bites
Separation Anxiety, Canine-Style
BONES & JOINTS
Arthritis Hits More Than Half of Diabetics
Most Women With Osteoporosis Unaware of Raised Fracture Risk
Alleviating Rheumatoid Arthritis
CANCER
To Quit Smoking, Try Logging On
Scams and Shams That Prey on Cancer Patients
Women Smokers Lose 14.5 Years Off Life Span
CAREGIVING
Recession Scrambling Health Spending in U.S.
Reduce Suffering, Urge Heart Failure Patients and Caregivers
Weekend Admission May Be Riskier for GI Bleeding
CIRCULATORY SYSTEM
Support Network May Play Role in Benefits of Drinking
Exercise May Blunt Salt's Effect on Hypertension
Exercise Extends Life of Kidney Patients
COSMETIC
Wrinkle Fillers Need Better Label Warnings: FDA Panel
Health Tip: After Liposuction
Mouse Study Finds Molecule That Tells Hair to Grow
DENTAL, ORAL
Gum Disease Might Boost Cancer Risk
Acupuncture May Ease Anxiety Over Dental Work
Most Insured Adults Worry About Health Care Costs: Poll
DIABETES
Boosting Vitamin D Can Do a Heart Good
Fish Twice a Week Cuts Diabetics' Kidney Risks
Treatment for Type 2 Diabetes Updated
DIET, NUTRITION
Pesticides on Produce Tied to ADHD in Children
Whole Grains, Bran May Fight Hypertension in Men
Fasting on Alternate Days May Make Dieting Easier
DISABILITIES
Could Your Cell Phone Help Shield You From Alzheimer's?
Review Finds Marijuana May Help MS Patients
ENVIRONMENTAL HEALTH
Disinfectants Can Boost Bacteria's Resistance to Treatment
Global Warming May Bring More Respiratory Woes
Hypertension May Hit Black Males Earlier
EYE CARE, VISION
Retinal Gene Is Linked to Childhood Blindness
Certain Diabetes Drugs May Pose Eye Risk
Vision Test for Young Children Called Unreliable
FITNESS
Be Healthy, Spend Less
Barefoot Best for Running?
Strenuous Daily Workout May Keep Cancer at Bay
GASTROINTESTINAL PROBLEMS
Olive Oil May Protect Against Bowel Disease
Intestinal Bacteria Trigger Immune Response
Gum Chewing May Speed Colon Surgery Recovery
GENERAL HEALTH
Autumn Chores Often Hazardous
Uncover Why Turmeric Helps You Heal
Mind Exercise Might Help Stroke Patients
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
'Comfort Dogs' Come to Emotional Rescue
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
B-Vitamins Help Protect Against Stroke, Heart Disease
Low Vitamin D Levels Linked to Heart Disease
INFECTIOUS DISEASE
Older Adults May Have Some Immunity to Swine Flu
Swine Flu Is Now a Pandemic Says W.H.O.
Viral Infection Might Trigger High Blood Pressure
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Working Intensely Early on May Help Autistic Kids
Teen Internet Addicts More Likely to Self-Harm: Study
Most Depressed Teens Don't Get Treatment
MEN'S HEALTH
Whole Grains, Bran May Fight Hypertension in Men
Drinking Green Tea May Slow Prostate Cancer
Strenuous Daily Workout May Keep Cancer at Bay
MENTAL HEALTH
A Little Alcohol May Stave Off Alzheimer's
Teen Internet Addicts More Likely to Self-Harm: Study
A Simple 'Thank You' Brings Rewards to All
PAIN
Alleviating Rheumatoid Arthritis
'Cell Phone Elbow' -- A New Ill for the Wired Age
Acupuncture, Real or Fake, Eases Back Pain
PHYSICAL THERAPY
PREGNANCY
Music of Mozart Soothes the Preemie Baby
Pre-Pregnancy Weight Linked to Babies' Heart Problems
Expectant Mom's Exercise Keeps Newborn's Birth Weight Down
SENIORS
Daily dose of beet juice promotes brain health in older adults
Life Expectancy in U.S. Hits New High
Mediterranean Diet Plus Exercise Lowers Alzheimer's Risk
SEXUAL HEALTH
SLEEP DISORDERS
Sleeping Could Help Women Lose The Baby Fat
Moderate Aerobics May Ease Insomnia Symptoms
Better Sleep, Grades Seem to Go Up
WOMEN'S HEALTH
Alternative Treatments May Boost IVF Success
Natural Therapies for Menopause
Lifting Weights Can Ease Arm Swelling in Breast Cancer Survivors
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Mom's Smoking May Lead to SIDS

WEDNESDAY, April 1 (HealthDay News) -- Smoking by mothers has replaced infants sleeping on their stomachs as the greatest modifiable risk factor for sudden infant death syndrome, or SIDS, Australian researchers suggest.

They found that when mothers smoke, the sleep arousal process of infants, which awakens them in response to a life-threatening situation, is altered, increasing the risk for SIDS.

The study included 12 healthy, full-term infants born to mothers who smoked an average of 15 cigarettes a day. The infants' arousal responses during daytime sleep were compared with those of 13 healthy infants of nonsmoking mothers. All the children were assessed three times: at 2 to 4 weeks of age, 2 to 3 months, and 5 to 6 months.

The results showed that infants who had been exposed to smoke had reduced sub-cortical activation to cortical arousal. They also had lower rates of full cortical arousals from sleep and higher rates of sub-cortical activations than infants of nonsmoking mothers.

The study also identified a dose-dependent relationship between cortical activation rates and levels of infant urinary cotinine, a nicotine metabolite. Infants with the highest levels of smoke exposure had the lowest levels of cortical arousal.

Decreased cortical arousals from sleep have been observed in infants who later died of SIDS, noted senior investigator Rosemary Horne, scientific director of the Ritchie Centre for Baby Health Research at Monash University in Melbourne.

"Our study suggests that maternal smoking can impair the arousal pathways of seemingly normal infants, which may explain their increased risk for SIDS," Horne said in a news release from the American Academy of Sleep Medicine.

The study is in the April 1 issue of the journal Sleep.

More information

The Nemours Foundation has more about SIDS.



-- Robert Preidt



SOURCE: American Academy of Sleep Medicine, news release, April 1, 2009

Last Updated: April 01, 2009

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