There are various types of body composition tests (more on these below). Still, each one measures the percentages of fat and fat-free mass (muscle and bone) in the body. Knowing these percentages can ...

Bodies come in different shapes and sizes, influenced by a person’s frame and composition. Different body types include triangle, rectangle, hourglass, ectomorph, mesomorph, and endomorph. Different ...

The exact composition of blood varies between people. This difference in structure is what makes a person’s blood type. Most people use the ABO system to group blood types, and rhesus factor, which is ...

Thanks to the ever-improving world of fitness trackers and apps, you've never had more access to personal health data. But which of the dizzying number of markers and metrics should you really be ...