From enjoying the great outdoors to playing sports safely, here's how to protect yourself and deal with emergencies.

La única manera de que los médicos sepan si una persona se ha estado masturbando es que la zona se haya irritado lo suficiente como para enrojecerse o adquirir una tonalidad más oscura de la habitual.

Alpha thalassemia is a blood disorder in which the body has a problem producing alpha globin, a component of hemoglobin, the protein in red blood cells that transports oxygen throughout the body.

Coughing is a healthy reflex that helps clear the airways. A severe cough or one that lasts more than a week requires a medical checkup. But many coughs are caused by a virus that just needs to run ...

Hepatitis B can move from one person to another through blood and other body fluids. For this reason, people usually get it through unprotected sex or by sharing needles.

Before having sex, it’s important to know about birth control and protecting against unplanned pregnancy and sexually transmitted diseases (STDs).

What makes up a guy's reproductive system and how does it develop? Find the answers to these questions and more.

Find out how to take care of your body, eat healthy, and stay fit!

Osgood-Schlatter disease (OSD) is one of the most common causes of knee pain in adolescents. It's really not a disease, but an overuse injury.

Using a condom when having sex can help prevent sexually transmitted diseases (STDs) and pregnancy. But using two condoms won’t give you extra protection. In fact, you should never use more than one ...

New parents spend a lot of time changing diapers — babies may use 10 diapers a day or more! Diaper changing might seem complicated at first. But with a little practice, you'll find that keeping your ...

If you just sneezed, something was probably irritating or tickling the inside of your nose. Learn more about why you sneeze in this article for kids.