An ectomorph is a human body type characterized by a lean build and narrow shoulders and hips. Ectomorphs may have difficulty ...

Archaeological evidence shows the Magdalenian people from 18,000 years ago likely were engaged in cannibalism. As part of the ...

Vital Signs’ at MoMA explores how artists have abstracted bodily experience as a means of mapping the construction of ...

This internal left-right asymmetry is believed to begin at the very early stage of development -- when a tiny embryo is divided into two parts during a process called gastrulation. This process ...

You might think that after 200 million years, we would have learned all we're ever going to know about plesiosaurs. Such is ...

Your body produces it when your skin is in the sun or when you eat vitamin-D-rich foods. It can be hard to notice a vitamin D deficiency because it sometimes yields no symptoms. One study found ...

Medically reviewed by Alicen Nelson MD, MPH The navel, also known as the belly button or umbilicus, is a small, round, or ...

It's done by gently pinching the skin and fat under the skin on several body parts. This type of measurement is accurate. However, there is a large possibility of "user error" if the person performing ...

The overall average body fat percentage in the United States is about 39.9% for women and 28.1% for men, so below these amounts would technically be “below average.” However, most people in the United ...

The body contains all the internal organs, body parts, bones and muscles that make up the human anatomy. Your fleshy body has evolved over millions of years, and this is the science changing the way ...