Health

Mixed martial arts and the danger of extreme weight cutting

The sight is well known to all fans of mixed martial arts (MMA). A fighter walks onto a stage on a Friday evening, waving to the cheering crowd before stepping onto a scale. The fighter waits nervously for a few moments as ...

Diabetes

Rap1 controls the body's sugar levels from the brain

Managing type 2 diabetes typically involves losing weight, exercise and medication, but new research by Dr. Makoto Fukuda and colleagues at Baylor College of Medicine and other institutions suggests that there may be other ...

Overweight & Obesity

Secretin hormone induces satiation by activating brown fat

Researchers from the Turku PET Centre and Technical University of Munich have discovered a new mechanism controlling satiation. According to the recently published study, the hormone secretin induces satiation by activating ...

Health

Several persistent chemicals found in fetal organs

Researchers at Karolinska Institutet found industrial chemicals in the organs of fetuses conceived decades after many countries had banned the substances. In a study published in the journal Chemosphere, the researchers urge ...

Arthritis & Rheumatism

Many U.S. seniors may need better knee arthritis care

Just a fraction of older Americans with arthritic knees try physical therapy, pain-relieving injections or other more conservative measures before undergoing knee replacement surgery, new research shows.

Oncology & Cancer

Study finds dosing strategy may affect immunotherapy outcomes

Overweight cancer patients receiving immunotherapy treatments live more than twice as long as lighter patients, but only when dosing is weight-based, according to a study by cancer researchers at UT Southwestern Medical Center.

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Weight

In the physical sciences, the weight of an object is the magnitude, W, of the force that must be applied to an object in order to support it (i.e. hold it at rest) in a gravitational field. The weight of an object equals the magnitude of the gravitational force acting on the object, less the effect of its buoyancy in any fluid in which it might be immersed. Near the surface of the Earth, the acceleration due to gravity is approximately constant; this means that an object's weight near the surface of the Earth is roughly proportional to its mass.

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