Canker sores often appear when one is particularly stressed or very tired. A temporary decrease in immune defenses can quickly create a favorable environment for...
During puberty, your body starts an intense production of certain hormones, especially androgens like testosterone. These hormones stimulate the glands in your skin, called sebaceous...
When you move too quickly from a lying or sitting position to standing, some of the blood flows down to your legs due to gravity. Your body...
Sweating is a natural phenomenon that allows the body to release some of its internal heat and regulate its temperature, mainly when it heats up...
Hiccups are the result of an involuntary spasm of the diaphragm, the main muscle that allows for quiet breathing. When it suddenly contracts without warning, it quickly...
The tingling sensations felt during sleep often come from the compression of a nerve or temporary poor blood circulation. When a nerve is compressed for...
Human skin is a type of filter that allows light to enter and exit in a particular way. It is made up of several layers: the epidermis...
Honey naturally contains hydrogen peroxide, a type of hydrogen peroxide produced by an enzyme called glucose oxidase. This helps kill bacteria and prevents infections without...
When we sneeze, our eyes close without us even thinking about it. This reflex is there for a good reason: to protect our eyes. When...
Blinking acts as a quick protective barrier for your cornea. It's like closing the shutters in the face of immediate danger: as soon as dust, an insect,...
