FDA to Probe Testosterone Therapy Claims, Safety

TUESDAY, Sept. 16, 2014 (HealthDay News) -- The U.S. Food and Drug Administration is focusing on the "Low T" fad, questioning whether the boom in testosterone replacement therapy is helping or harming the health of aging American males.

Study Sees Differences in Brain Connections of Kids With ADHD

MONDAY, Sept. 15, 2014 (HealthDay News) -- Key connections between brain networks seem to mature more slowly in young people with attention deficit hyperactivity disorder (ADHD), according to a new study.

Blood Pressure Seems to Stay Lower Longer in Fitter Men

MONDAY, Sept. 15, 2014 (HealthDay News) -- Aerobic exercise leading to strong heart fitness can delay a man's onset of age-related high blood pressure by nearly a decade, a new study suggests.

Heart Docs Don't Recommend Routine ECGs for Young Athletes

MONDAY, Sept. 15, 2014 (HealthDay News) -- U.S. heart experts recommend doctors use a 14-point checklist rather than an electrocardiogram (ECG) when evaluating young people for underlying heart disease that could result in sudden cardiac arrest.

Heart Attack Patients Face Greater Death Risk if Any Treatment Step Missed: Study

MONDAY, Sept. 15, 2014 (HealthDay News) -- People who've had a heart attack are at greater risk of death if even one of nine critical steps in their treatment is missed, according to a new study.

Not Everyone With Alzheimer's-Linked Protein Develops Dementia: Study

MONDAY, Sept. 15, 2014 (HealthDay News) -- The human brain may have a way to compensate for the build-up of a destructive protein associated with Alzheimer's disease. That could help explain why some older people who have beta-amyloid deposits do not develop dementia, California researchers report.

Scientists Watch Imagination at Work in the Brain

SATURDAY, Sept. 13, 2014 (HealthDay News) -- Researchers say they've tracked specific activity in the human brain linked to imagining.

Traffic Pollution Linked to Higher Levels of Obesity Hormone

FRIDAY, Sept. 12, 2014 (HealthDay News) -- Older people exposed to high levels of black carbon -- the fine particle air pollution from traffic -- may have increased levels of leptin, a hormone linked to obesity, diabetes and heart disease, a new study suggests.

New Myelin Loss Linked to MS Severity: Study

FRIDAY, Sept. 12, 2014 (HealthDay News) -- There's a strong connection between the severity of disease and the loss of myelin in the brain's gray matter for who have multiple sclerosis (MS), a new study says.

Sunny Skies Tied to Suicide Rates

FRIDAY, Sept. 12, 2014 (HealthDay News) -- Sunny days may be linked to suicide rates, but in a complicated way, new research suggests.