Is Tau the 'How' Behind Alzheimer's?

FRIDAY, Oct. 31, 2014 (HealthDay News) -- Malfunction of a key brain protein called tau is the likely culprit behind Alzheimer's disease and other forms of dementia, a new study in mice concludes.

 Child's Appendix More Likely to Rupture in Regions Short of Surgeons

FRIDAY, Oct. 31, 2014 (HealthDay News) -- Children and teens with poor access to general surgeons are at increased risk of suffering a ruptured appendix, and the risk is particularly high among young children, a new study finds.

 Spinal Surgery Varies by Region in U.S.: Study

FRIDAY, Oct. 31, 2014 (HealthDay News) -- Surgery for low back pain caused by spinal stenosis varies depending on where in the United States you live, a new report says.

 Sleep Apnea May Steal Some of Your Memory: Study

FRIDAY, Oct. 31, 2014 (HealthDay News) -- Sleep apnea may make it hard for you to remember simple things, such as where you parked your car or left your house keys, a small study suggests.

 Study Shows How Toddlers Adjust to Adult Anger

FRIDAY, Oct. 31, 2014 (HealthDay News) -- Toddlers can both sense adult anger and alter their behavior in response to it, new research reveals.

 Health Highlights: Oct. 31, 2014

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

 Kids: An Rx for Menopause's Hot Flashes?

FRIDAY, Oct. 31, 2014 (HealthDay News) -- Women who live with young children may be less likely to suffer hot flashes after going through surgical menopause, a new study suggests.

 Generic Drugs May Help Breast Cancer Patients Stick to Therapy

FRIDAY, Oct. 31, 2014 (HealthDay News) -- Access to generic hormone therapy medicines improves the chances that breast cancer patients will stick with their drug treatment, a new study found.

 Study Confirms Obesity-Breast Cancer Link for Blacks, Hispanics

FRIDAY, Oct. 31, 2014 (HealthDay News) -- Obesity increases the risk of certain types of breast cancer in postmenopausal black and Hispanic women, two new U.S. studies show.

 Make the Most of This Weekend's Time Change

FRIDAY, Oct. 31, 2014 (HealthDay News) -- A few simple steps can help make this weekend's time change easier to cope with, a sleep expert says.

 Halloween at the ER Is No Treat

FRIDAY, Oct. 31, 2014 (HealthDay News) -- Carving pumpkins and trick-or-treating may seem like harmless fun, but Halloween injuries send many children to emergency rooms in the United States every year, experts say.

 Health Tip: Keep Certain Foods Isolated

(HealthDay News) -- Foods such as meat, seafood, poultry and eggs must be separated from other edibles to prevent possible cross-contamination with germs.

 Health Tip: Reduce Your Risk of a Car Injury

(HealthDay News) -- More than 2.5 million Americans visited emergency departments as a result of motor vehicle crashes in 2012, according to the U.S. Centers for Disease Control and Prevention.