If you have ever been concerned about your penis size, you're not alone. The size of the male sex organ has long been thought to be an indicator of a person's testosterone levels and sexual abilities.

Many people wonder what the average penis size is. The truth is that penises are like any other body part and vary in shape and size. One study found that the average penis size is about 3.9 inches (9 ...

The average length for a newborn is 19 to 20 inches (in) (48.2 to 50.8 centimeters [cm]) from the top of the head to the heel of the foot, but this can vary. Doctors also consider a range of 18.5 to ...

You can thank whoever has a Y chromosome for the fact that you have a penis at all. People assigned male at birth (AMAB) inherit the Y chromosome from a parent who was born with a penis, just like ...

Having a bigger, curvier body, and needing the type of clothing that accommodates or even highlights it, has become (somewhat) more accepted by the fashion and retail industries. Recent years have ...

If you wanted to understand how our Universe operates, you'd have to examine it at a fundamental level. Macroscopic objects are made up of particles, which can only themselves be detected by going to ...

Stride length and step length are two important measurements in gait analysis. Gait analysis is a study of how a person walks and runs. Doctors use visual observation and tools to measure and assess ...