In everyday conversation, and even on our site, we treat the terms mass and weight like synonyms. But scientifically, the two are related but very separate. The mass of an object is an intrinsic ...

Measuring mass accurately can be crucial in some cases, like calculating how much fuel you need in an airplane. Mass and weight should not be confused—weight depends on the force of gravity, but ...

The primary outcome was the difference between the two groups in the change from baseline in body weight; secondary outcomes included changes in waist circumference, body-mass index (BMI), amount ...