Pricey ER Tests for Chest Pain Often Unnecessary

WEDNESDAY, Nov. 15, 2017 (HealthDay News) -- ER doctors frequently use pricey but unnecessary tests to determine whether people with chest pain are having a heart attack, a new study reveals.

Resilient Brain Connections May Help Against Alzheimer's

THURSDAY, Nov. 2, 2017 (HealthDay News) -- Certain pieces of brain structure may make some people less likely to develop Alzheimer's disease.

Calcium in Arteries May Best Predict Risk of Heart Attack, Stroke

THURSDAY, Aug. 31, 2017 (HealthDay News) -- People with no calcium buildup in their arteries seem to have a significantly lower risk of heart attack and stroke, a new study finds.

Eating Feeds 'Feel Good' Hormones in the Brain

THURSDAY, Aug. 31, 2017 (HealthDay News) -- Eating prompts the brain to release "feel good" hormones, known as endorphins, a new study shows.

Can Scans Predict Some Autism Cases?

TUESDAY, Aug. 8, 2017 (HealthDay News) -- People with a particular genetic cause of autism show structural abnormalities in the brain that are readily detected with noninvasive imaging, according to a new study.

Combined MRI Might Help Predict Brain Damage in Boxers

WEDNESDAY, Aug. 2, 2017 (HealthDay News) -- Brain injuries among pro football players are in the headlines, but pro fighters often suffer damaging head injuries, too.

Noninvasive Brain Test May Pinpoint Type of Dementia

WEDNESDAY, July 26, 2017 (HealthDay News) -- Distinguishing Alzheimer's disease from another common form of dementia may get easier using a new, noninvasive technique, researchers say.

Scans May Show Consciousness in 'Comatose' Patients

THURSDAY, July 20, 2017 (HealthDay News) -- Sophisticated brain scans might be able to detect consciousness in brain injury patients who appear unconscious in the intensive care unit, a new study says.

CT Scans Might Help Gauge Heart Attack Risk

WEDNESDAY, July 12, 2017 (HealthDay News) -- A new CT scan analysis may allow doctors to identify blood vessel inflammation before heart problems actually crop up, researchers report.

Easier Colon Exam Boosts Screening, But Insurers May Not Pay

TUESDAY, July 11, 2017 (HealthDay News) -- People with insurance that covers virtual colonoscopy are nearly 50 percent more likely to get screened for colon cancer, a new study shows.