Light pollution linked to preterm birth increase

Scientists conducted the first study to examine the fetal health impact of light pollution based on a direct measure of skyglow, an important aspect of light pollution. Using an empirical regularity discovered in physics, ...


Nutrition tips for running virtual races

DEAR MAYO CLINIC: I am a runner who has previously participated in 5K and 10K races, as well as half-marathons and full marathons. I would rely on water and nutrition stations at the events to help fuel my performance. Now ...

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Body weight

Although many people prefer the less-ambiguous term body mass, the term body weight is overwhelmingly used in daily English speech and in biological and medical science contexts to describe the mass of an organism's body. Body weight is measured in kilograms throughout the world, although in some countries people more often measure and describe body weight in pounds (e.g. United States and sometimes Canada) or stones and pounds (e.g. United Kingdom) and thus may not be well acquainted with measurement in kilograms. Most hospitals in the United States now use kilograms for calculations, but use kilograms and pounds together for other purposes. (1 kg is approximately 2.2 lb; 1 stone (14 lb) is approximately 6.4 kg.)

The term is usually encountered in connection with:

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