Cardiology

Your finger's pulse holds the key to your heart's health

A University of Iowa physiologist has a new technique to measure the stiffness of the aorta, a common risk factor for heart disease. And it can be as simple as measuring the pulse in your finger.

Medical research

Fat molecule ceramide may factor in muscle loss in older adults

As men and women age, increasing quantities of fat tissue inevitably take up residence in skeletal muscle. A small study of older and younger men conducted at the Jean Mayer USDA Human Nutrition Research Center on Aging at ...

Health

Beetroot juice supplementation may help lengthen workouts

(HealthDay)—Chronic supplementation with beetroot juice (BRJ), containing nitrate, has beneficial effects on the work of the heart in response to exercise, according to a study published online June 17 in the American Journal ...

Diseases, Conditions, Syndromes

Imaging agent may help gauge kidney health

More than 3,000 donated kidneys are discarded every year in the U.S., even as thousands of people die on kidney transplant waitlists. About a fifth of all donated kidneys—particularly those from people who are older, have ...

Neuroscience

From teens' sleeping brains, the sound of growing maturity

Listening in on the electrical currents of teenagers' brains during sleep, scientists have begun to hear the sound of growing maturity. It happens most intensively between the ages of 12 and 16 1/2: After years of frenzied ...

Health

Fish oil may help the heart beat mental stress

Why is fish oil good for the heart? A new study suggests that this omega 3 fatty acid-rich nutrient could blunt some cardiovascular effects of mental stress.

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