Health Tip: Possible Complications of Hemophilia

(HealthDay News) -- Hemophilia is a disorder in which the blood doesn't properly clot, so stopping bleeding becomes more difficult.

Health Tip: Symptoms That May Indicate Bipolar Disorder

(HealthDay News) -- Bipolar disorder causes major mood swings, ranging from depression to manic (elevated) mood.

Celiac and Crohn's Disease May Share Genetic Risk Factors

THURSDAY, Jan. 27 (HealthDay News) -- Celiac disease and Crohn's disease share several genetic risk factors, a new study finds.

Ancient Toolkit Holds Clues to Migration of Early Man

THURSDAY, Jan. 27 (HealthDay News) -- Modern humans first left Africa much earlier than previously believed, new research suggests.

On-the-Job Hearing Loss Keeping Workers Awake

THURSDAY, Jan. 27 (HealthDay News) -- Work-related hearing loss can lead to sleep problems, a new study has found.

Kids Fed Unhealthy Foods Learn to Prefer Them

THURSDAY, Jan. 27 (HealthDay News) -- Most preschool children develop a taste for salt, sugar and fat at home, and quickly learn which types of brand-name fast foods and sodas meet these preferences, U.S. researchers say.

Loving Your Bedroom May Be Key to Good Sleep

THURSDAY, Jan. 27 (HealthDay News) -- Only 42 percent of Americans say they sleep well almost every night and can therefore be categorized as "great sleepers," according to a new National Sleep Foundation survey.

Study Ties Hot Flashes to Lower Breast Cancer Risk

THURSDAY, Jan. 27 (HealthDay News) -- Here's some good news for women ever bothered by hot flashes and other menopausal symptoms: Your risk for breast cancer may be reduced as much as 50 percent, researchers from the Fred Hutchinson Cancer Research Center in Seattle report.

FDA May Ease Up on Electroshock Devices

THURSDAY, Jan. 27 (HealthDay News) -- Electroshock devices, currently classified by the U.S. Food and Drug Administration as high risk for the treatment of severe depression, could be downgraded to medium risk this year.

TV: A Sneaky Part of the Food Pyramid

THURSDAY, Jan. 27 (HealthDay News) -- David Burley was excited about a new restaurant opening in his small Louisiana town, where vacant storefronts have become the norm as the recession lingers.

Discovery May Explain Why Brain Cancer Is So Hard to Treat

THURSDAY, Jan. 27 (HealthDay News) -- Researchers have found that brain cancer cells can turn themselves into blood vessel cells to counter drugs designed to cut off a tumor's blood supply and deprive it of oxygen and nutrients.

Gene Mutation May Protect Blacks From Heart Disease

THURSDAY, Jan. 27 (HealthDay News) -- About one-fourth of all black men and women carry a genetic mutation that dramatically reduces their risk for coronary artery disease, new research reveals.

Health Highlights: Jan. 27, 2011

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

Clinical Trials Update: Jan. 27, 2011

(HealthDay News) -- Here are the latest clinical trials, courtesy of ClinicalConnection.com:

Rep. Giffords' Intensive Rehab Under Way

THURSDAY, Jan. 27 (HealthDay News) -- Arizona Congresswoman Gabrielle Giffords began intensive rehabilitation therapy in Houston Thursday, another stunning step forward for the lawmaker who was shot in the brain earlier this month.

CDC Issues Guidance on Daily Pill to Prevent Infection With HIV

THURSDAY, Jan. 27 (HealthDay News) -- U.S. health authorities on Thursday issued an "interim guidance" to help doctors and patients using Truvada, the once-a-day combination pill that was shown in November to help prevent the spread of HIV in high-risk individuals.

Babies Seem to Sense Who's Boss

THURSDAY, Jan. 27 (HealthDay News) -- Even babies seem to know that might makes right, according to new research that suggests infants use size as a measure to predict who will prevail when two individuals have a conflict.