Health Tip: Eyestrain May Cause Headaches

(HealthDay News) -- Straining the eyes while watching television or working on the computer can trigger a nasty headache. But so can your posture, stress and other factors.

Health Tip: Dealing With Lactose Intolerance

(HealthDay News) -- Lactose is a sugar found in milk and other dairy products that some people have difficulty digesting.

Brain Research May Help Predict Anxiety, Depression in Young

WEDNESDAY, Aug. 11 (HealthDay News) -- Brain regions that may play a role in the development of childhood anxiety have been pinpointed by U.S. researchers.

Less May Be More When Treating Early Hodgkin's

WEDNESDAY, Aug. 11 (HealthDay News) -- Fewer cycles of chemotherapy and lower dosages of radiation may work just as well as more intensive treatment for early-stage Hodgkin's lymphoma, a new study suggests.

Video Game Technology Embraced by Med Students: Survey

WEDNESDAY, Aug. 11 (HealthDay News) -- The vast majority of medical school students believe that technology in the form of virtual reality exercises could help them to develop the skills they will need as future doctors, a new survey reveals.

Dogs' Features Set By a Handful of Genetic Regions: Study

WEDNESDAY, Aug. 11 (HealthDay News) -- In what is described as the most comprehensive genetic analysis of dogs to date, researchers have found that a mere handful of genetic regions account for the majority of differences in physical traits among canine breeds.

Lithium of No Benefit in ALS, Study Finds

WEDNESDAY, Aug. 11 (HealthDay News) -- A new study appears to dash hopes that the psychiatric drug lithium can benefit patients with amyotrophic lateral sclerosis (ALS).

Some Monkeys Naturally Resist AIDS, Research Shows

WEDNESDAY, Aug. 11 (HealthDay News) -- A natural mechanism that may help prevent the development of AIDS in sooty mangabey monkeys has been discovered by scientists.

Repeated Ear Infections Seem to Plague White Kids, Poor Kids

WEDNESDAY, Aug. 11 (HealthDay News) -- White children and those in poor families are more likely to have repeated ear infections than other children, U.S. researchers have found.

Colder Weather Boosts Heart Attack Risk

TUESDAY, Aug. 10 (HealthDay News) -- Just a small drop in the outdoor temperature can translate into a heightened risk for heart attack in the following month, new British research indicates.

Underage Drinkers Rushed to ER Mostly Male

WEDNESDAY, Aug. 11 (HealthDay News) -- Males account for the majority of U.S. hospital emergency visits involving underage drinkers, says a federal government report.

Stomach Reduction Surgery Via Mouth a U.S. First

WEDNESDAY, Aug. 11 (HealthDay News) -- Doctors who performed a stomach reduction through a patient's mouth say it's the first time this type of surgery has been done in the United States.

Menstrual Cramps May Alter Women's Brains

WEDNESDAY, Aug. 11 (HealthDay News) -- Menstrual cramps are often dismissed as a mere nuisance, but new research suggests the monthly misery may be altering women's brains.

Travel for Surgery May Help Spread New Superbug

WEDNESDAY, Aug. 11 (HealthDay News) -- A gene that makes bacteria resistant to almost all antibiotics has appeared in Pakistan, Bangladesh and India, researchers have found.

Health Highlights: Aug. 11, 2010

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

Stem Cell Treatment May Offer Hope Against Fatal Skin Disorder

WEDNESDAY, Aug. 11 (HealthDay News) -- A debilitating and usually fatal skin disorder may be treated by bone marrow stem cell transplant, a new study finds.

Stomach Ulcers Sending Fewer Americans to the Hospital

WEDNESDAY, Aug. 11 (HealthDay News) -- Recent advances in understanding the cause of severe peptic ulcers, along with better treatments, may be driving a decline in their incidence, a new study indicates.

Clinical Trials Update: Aug. 11, 2010

(HealthDay News) -- Here are the latest clinical trials, courtesy of

Discovery Moves Use of Stone Tools Back 800,000 Years

WEDNESDAY, Aug. 11 (HealthDay News) -- Scientists excavating in Ethiopia have come across bones from a cow-sized animal and an antelope, probably eaten by early human ancestors, that seem to have been dug out by tools -- probably to get the nutritious marrow out.