ALLERGY, RESPIRATORY
'Safe' Ozone Levels May Not Be for Some
Climate Change Could Sting Allergy, Asthma Sufferers
Combating Myths About Seasonal Allergies
ALTERNATIVE MEDICINE
Acupuncture Eases Breast Cancer Treatment Side Effects
Insight on Herbals Eludes Doctors, Patients Alike
Massage Therapy Helps Those With Advanced Cancer
ANIMAL CARE
Separation Anxiety, Canine-Style
'Comfort Dogs' Come to Emotional Rescue
Rest Easy. When It Comes to Swine Flu, Your Pet Is Safe
BONES & JOINTS
Postmenopausal Women With Breast Cancer Face Joint Issues
Arthritis Hits More Than Half of Diabetics
Frankincense Provides Relief for Osteoarthritis
CANCER
Vitamin D Good for Breast Cancer Patients
Adding Garlic Might Cut Cancer Risk
Immune Therapy May Aid Kids With Neuroblastoma
CAREGIVING
When the Caregiver Becomes the Patient
Exercise During Pregnancy May Help Baby
Caregivers Face Multiple Strains Tending Older Parents
CIRCULATORY SYSTEM
Laughter Can Boost Heart Health
Salt Boosts Blood Pressure in High-Risk Patients
Health Tip: Are You Anemic?
COSMETIC
Health Tip: After Liposuction
Study Evaluates Laser Therapies for Hair Removal
Gum Chewing May Cut Craving for Snacks
DENTAL, ORAL
Health Tip: At Risk for Gingivitis
Obesity Boosts Gum Disease Risk
Amino Acid May Be Key to Strong Teeth
DIABETES
Chamomile Tea May Ward Off Diabetes Damage
Brown Rice Bests White for Diabetes Prevention
Poor Blood Sugar Control After Heart Surgery Impacts Outcomes
DIET, NUTRITION
The Food Irradiation Story
Occaisonal Dieting May Cut Breast Cancer, Study Says
Eating in America Still Unhealthy
DISABILITIES
Review Finds Marijuana May Help MS Patients
Could Your Cell Phone Help Shield You From Alzheimer's?
ENVIRONMENTAL HEALTH
Preparing for a Chlorine Gas Disaster
Air Quality Better in Northeast, Midwest
Hurricane Threats: Time to Batten Down the Hatches
EYE CARE, VISION
Clues Found to Brain Mechanism Behind Migraines
Nutrient-Rich Diet Lowers Risk of Age-Related Eye Disease
When Corks Fly, Watch the Eyes
FITNESS
Daily Exercise at School Yields Rewards
Barefoot Best for Running?
Exercise Extends Life of Kidney Patients
GASTROINTESTINAL PROBLEMS
HRT Use Raises Risk of Stomach Trouble
Traditional Nonsurgical GERD Treatments Not Impressive
New Yogurt May Ease Stomach Ulcers
GENERAL HEALTH
Eating Well And Keeping Active As You Grow Old Will Help You Stay Sharp
Common Social Groups and Race, Seem to Help People Relate
Poor Restroom Cleaning Causes Cruise-Ship Sickness
HEAD & NECK
Zen May Thicken Brain, Thwart Pain
Many Children Will Outgrow Headaches
Ski Helmets Encouraged for All
HEALTH & TECHNOLOGY
'Comfort Dogs' Come to Emotional Rescue
Imaging Sheds Light on How Acupuncture Works
Magnet Therapy May Ease Hard-to-Treat Depression
HEARING
Summer Sounds Can Lead to Hearing Loss
Noise Hurts Men's Hearing More, Study Shows
HEART & CARDIOVASCULAR
Too Much Red Meat May Shorten Life Span
Vigorous Exercise Cuts Stroke Risk for Men, Not Women
Obese People Seem to Do Better With Heart Disease
INFECTIOUS DISEASE
The HPV Vaccine: Preventative Medicine or Human Sacrifice?
Dry Weather Boosts Odds of Flu Outbreaks
More Medicinal Uses for Pomegranate
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Obese Children More Likely to Suffer Lower Body Injuries
Folic Acid Reduces Infant Heart Defects
Quick Orthopedic Repair Can Save Young Shoulders
MEN'S HEALTH
Exercise May Prevent Prostate Cancer: Study Shows
Lots of Sex May Prevent Erectile Dysfunction
Low Vitamin D Levels May Boost Men's Heart Attack Risk
MENTAL HEALTH
Mind Exercise Might Help Stroke Patients
Green Spaces Boost the Body and the Mind
Vitamin C Protects Some Elderly Men From Bone Loss
PAIN
Tai Chi May Help Ease Fibromyalgia
Acupuncture, Real or Fake, Eases Back Pain
'Cell Phone Elbow' -- A New Ill for the Wired Age
PHYSICAL THERAPY
PREGNANCY
Before Conceiving, Take Folic Acid for One Full Year
Alternative Treatments May Boost IVF Success
Placebo Acupuncture Tied to Higher IVF Pregnancies
SENIORS
More Whole Grains May Mean Less Fat
As You Age, Better Health Means Better Sex
Tai Chi May Help Ward Off Knee Pain in Seniors
SEXUAL HEALTH
SLEEP DISORDERS
Exercising Throat Muscles May Relieve Sleep Apnea
Meditation May Help Put Primary Insomnia to Bed
Sleeping Could Help Women Lose The Baby Fat
WOMEN'S HEALTH
Vitamin D Good for Breast Cancer Patients
Alternative Treatments May Boost IVF Success
Exercise, Weight Control May Keep Fibromyalgia at Bay
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Natural Childbirth Moms More Attuned to Babies' Cry

THURSDAY, Sept. 11 (HealthDay News) -- Mothers who delivered their babies vaginally appear to be much more sensitive to the cry of their own child within a few weeks of the birth compared with those who deliver by Caesarean section, a new study shows.

The finding, published in The Journal of Child Psychology and Psychiatry, give researchers insight into why postpartum depression seems to be linked more often to Caesarean birth.

The researchers based their findings on MRI scans that show heightened activity in the sections of the brain thought to regulate emotions, motivation and habitual behaviors. They believe this may be because vaginal childbirth involves the release of oxytocin -- a key mediator of maternal behavior in animals -- from the posterior pituitary, uterine contractions and vagino-cervical stimulation.

The researchers also studied areas of the brain affected by delivery conditions and found ties between brain activity and measures of mood. This suggests that some of the same brain regions may help regulate postpartum mood.

"As more women opt to wait until they are older to have children, and by association be more likely to have a Caesarean-section delivery, these results are important, because they could provide better understanding of the basic neurophysiology and psychology of parent-infant attachment," lead author James Swain, of Yale University's Child Study Centre, said in a news release issued by the journal's publisher. "This work could lead to early detection of families at risk for postpartum depression and attachment problems and form a model for testing interventions."

Caesarean delivery, which occurs via incisions in the abdominal and uterine wall, is required at times to protect the health or survival of infant or mother. The procedure's use has increased in the United States dramatically, from 4.5 percent of all deliveries in 1965 to a recent high in 2006 of 29.1 percent.

More information

The U.S. Department of Health & Human Services has more about postpartum depression.



-- Kevin McKeever



SOURCE: The Journal of Child Psychology and Psychiatry, news release, Sept. 3, 2008

Last Updated: Sept. 11, 2008

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