ALLERGY, RESPIRATORY
Air Quality Better in Northeast, Midwest
Know Your Asthma Triggers
Climate Change Could Sting Allergy, Asthma Sufferers
ALTERNATIVE MEDICINE
Massage Fosters Healing in Bereaved Relatives
Acupuncture Eases Side Effects of Head, Neck Cancer Treatments
Licorice May Block Absorption of Organ Transplant Drug
ANIMAL CARE
'Comfort Dogs' Come to Emotional Rescue
Animals Respond to Acupuncture's Healing Touch
Safe Toys for Dogs
BONES & JOINTS
Alcohol Abuse Can Damage Bones
Put Your Best Foot Forward Next Year
Rheumatoid Arthritis May Harm Gums
CANCER
Vitamin D Good for Breast Cancer Patients
Yoga Eases Sleep Problems Among Cancer Survivors
Asthmatics Who Quit Smoking May Reverse Lung Damage
CAREGIVING
Bariatric Surgery Centers Don't Deliver Better Outcomes
Robots May Come to Aging Boomers' Rescue
What Moms Learned May Be Passed to Offspring
CIRCULATORY SYSTEM
Drink a Little Wine, Live a Little Longer
Years of Exposure to Traffic Pollution Raises Blood Pressure
Grapefruit-Heavy Diet Helped Spur Dangerous Clot
COSMETIC
Study Evaluates Laser Therapies for Hair Removal
Contact Lenses Boost Kids' Self-Image
What to Do If You Have Unsightly Veins
DENTAL, ORAL
Toothbrushing May Stave Off Heart Woes
Mom's Vitamin D Levels Affect Baby's Dental Health
Amino Acid May Be Key to Strong Teeth
DIABETES
'Standard' Glucose Test May Be Wrong One for Obese Children
Exercise Protects Black Women From Type 2 Diabetes
Treatment for Type 2 Diabetes Updated
DIET, NUTRITION
Mediterranean Diet May Help Prevent Depression
Go Healthy, Not Hungry for Holiday Eating
Eating Free Range
DISABILITIES
Review Finds Marijuana May Help MS Patients
Could Your Cell Phone Help Shield You From Alzheimer's?
ENVIRONMENTAL HEALTH
Restaurant Sushi May Have More Mercury Than Store-Bought Fare
Air Pollution Exposure May Slow Fetal Growth
Pregnant Rural Women More at Risk
EYE CARE, VISION
Vision Test for Young Children Called Unreliable
Glaucoma Associated With Reading Impairments in Elderly
When Corks Fly, Watch the Eyes
FITNESS
FDA Mandates New Warnings for Botox
Daily Exercise at School Yields Rewards
Tai Chi and Qigong Offer Many Health Benefits: Review
GASTROINTESTINAL PROBLEMS
Olive Oil May Protect Against Bowel Disease
Traditional Nonsurgical GERD Treatments Not Impressive
New Guidelines Issued for Management of IBS
GENERAL HEALTH
Life Expectancy in U.S. Hits New High
Air Pollution May Raise Blood Pressure
Swine Flu May Have Infected More Than 100,000 Americans
HEAD & NECK
Ski Helmets Encouraged for All
Zen May Thicken Brain, Thwart Pain
Many Children Will Outgrow Headaches
HEALTH & TECHNOLOGY
Study Suggests Link Between Cell Phones and Brain Tumors
Using Light Therapy to Silence Harmful Brain Activity
Imaging Sheds Light on How Acupuncture Works
HEARING
Summer Sounds Can Lead to Hearing Loss
Noise Hurts Men's Hearing More, Study Shows
HEART & CARDIOVASCULAR
An Apple a Day May Help Keep Heart Disease Away
A Little Chocolate May Do the Heart Good
Psychiatric Drugs Might Raise Cardiac Death Risk
INFECTIOUS DISEASE
Swine Flu Loves a Crowd
Older Adults May Have Some Immunity to Swine Flu
Chinese 'Devil Dung' Plant Could Be a Swine Flu Fighter
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Exercise During Pregnancy Keeps Newborn Size Normal
Teens Lose More Weight Using Healthy Strategies
Even Young Kids Can Learn CPR
MEN'S HEALTH
Low Iron Levels Cut Cancer Risk in Men With PAD
Drinking Green Tea May Slow Prostate Cancer
Noise Hurts Men's Hearing More, Study Shows
MENTAL HEALTH
A Simple 'Thank You' Brings Rewards to All
The Acne Drug Accutane More Than Doubles Depression Risk
17 Ways to Create the Perfect Workday
PAIN
Are We Exercising Pain Away? Not So Much.
Tai Chi May Help Ease Fibromyalgia
'Cell Phone Elbow' -- A New Ill for the Wired Age
PHYSICAL THERAPY
PREGNANCY
Sleeping Could Help Women Lose The Baby Fat
Breast-Feeding Benefits Moms and Babies
Yoga's Benefits Outweigh Risks for Pregnant Women
SENIORS
Tai Chi May Help Ease Fibromyalgia
Daily dose of beet juice promotes brain health in older adults
Friends, Not Grandkids, Key to Happy Retirement
SEXUAL HEALTH
SLEEP DISORDERS
Lose Weight, Sleep Apnea May Improve
Meditation May Help Put Primary Insomnia to Bed
Sleeping Could Help Women Lose The Baby Fat
WOMEN'S HEALTH
Health Tip: Be More Comfortable During Childbirth
Green Tea May Help Treat Uterine Fibroids
Women Smokers Lose 14.5 Years Off Life Span
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What Moms Learned May Be Passed to Offspring

THURSDAY, Feb. 5 (HealthDay News) -- The things mothers did as children may affect their children's memory and the severity of learning disorders, according to U.S. researchers who studied the brain function of pre-adolescent mice with a genetically engineered memory deficit.

This memory deficit was reversed when the mice were given two weeks of exposure to an enriched environment that included stimulatory objects, enhanced social interaction and voluntary exercise. These mice later gave birth to offspring with the same genetic mutation. But the offspring showed no signs of memory problems even though they were never placed in an enriched environment.

The findings were published in the Feb. 4 issue of The Journal of Neuroscience.

"What is so unique about this study is that we provided an enriched environment during pre-adolescence, months before the mice became pregnant, yet the beneficial effect reached into the next generation. The offspring had improved memory even without an enriched environment," study co-investigator Dean Hartley, a neuroscience researcher at Rush University Medical Center, said in a university news release.

"We were able to demonstrate that environmental enrichment during youth has dramatic additional powers. It can enhance the memory in future offspring of enriched juvenile mice," Hartley said.

Previous research found that placing young, normal and memory-deficient mice in an enriched environment for a fairly short period of time unlocks an otherwise dormant biochemical and control mechanism that boosts a cellular process in nerve cells called long-term potentiation (LTP), which is believed to be involved in learning and memory.

"This is the first study to demonstrate an inheritance of a change in a signaling pathway that promotes LTP and enhancement of memory formation, and that defects caused by a genetic mutation can be reversed by what the mother is exposed to during her youth," Hartley said.

More information

The Nemours Foundation has more about children and memory.



-- Robert Preidt



SOURCE: Rush University Medical Center, news release, Feb. 3, 2009

Last Updated: Feb. 05, 2009

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