A muscle cramp is a strong involuntary contraction of a muscle or a group of muscles. Essentially, this muscle temporarily gets stuck in a contracted...
Water is simply composed of two chemical elements: hydrogen and oxygen, more specifically two hydrogen atoms bonded to one oxygen atom (the famous formula H₂O). This small...
While we sleep, the body produces large amounts of growth hormone (GH), a key substance for repairing and consolidating the muscles stressed by exertion. This...
Saliva mainly contains water, enzymes, peptides, and antibacterial proteins that work together to keep your mouth healthy. Among them, compounds such as lysozyme, lactoferrin, and...
The sense of smell is directly connected to the part of the brain that processes our emotions and memories, called the limbic system. As a...
When an insect bites us, it often injects some of its saliva under our skin. This small intrusion immediately alerts our immune system, which views...
Allergies are a bit of a bug in the immune system: instead of ignoring harmless substances like pollen, pet hair, or certain foods, it decides...
Our need for sleep comes from a long evolutionary history. From the earliest living organisms, periods of activity and rest naturally alternated to optimize energy...
REM sleep, also known as paradoxical sleep, plays a major role in managing our emotions on a daily basis. During this phase, your brain works...
Imagine the carpal tunnel as a small narrow tunnel located in your wrist, formed by the bones of the lower part and a thick fibrous...
