Cardiology

Study investigates how to turn ultrasound into a pacemaker

Ultrasound—the technology used for sonograms and examining the heart—can increase the rate at which heart cells beat, researchers from Drexel University report. In their paper "Ultrasound-Induced Modulation of Cardiac ...

Health

Why a little beet it goes a long way

(Medical Xpress)—Athletes no longer ask whether beetroot juice improves sporting performance - they just want to know how much to drink, and when.

Health

Backs bear a heavy burden

Trudging from place to place with heavy weights on our backs is an everyday reality, from schoolchildren toting textbooks in backpacks to firefighters and soldiers carrying occupational gear. Muscle and skeletal damage are ...

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 ...

Medical research

Men who do exercise produce better quality semen

A new study conducted by researchers at the University of Cordoba links moderate physical activity in males with better hormone levels and sperm characteristics that favour reproduction compared to sedentary men.

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