Dr. Troy Mensen is a family medicine doctor based in the Chicago area. He completed his undergraduate degree at the University of Northern Iowa and his doctorate at Des Moines University College of ...

Density is a fundamental concept in chemistry that describes the relationship between mass and volume of a substance. This video offers a thorough explanation of density, its significance, and how to ...

Breast density is a hot topic in women's health right now thanks to a new rule from the Food and Drug Administration (FDA) that went into effect in September. Under the rule, all women who get a ...

Z-scores compare a person’s bone density to others of the same age, sex, and size, helping doctors determine if bone density is typical for that demographic. Healthcare professionals commonly use DEXA ...