Muscle cramps are sudden and involuntary muscle contractions that can be very painful. They usually occur during or after intense physical activity, but can also...
Water is a molecule composed of two hydrogen atoms and one oxygen atom, forming the chemical formula H2O. It is essential for life on Earth, constituting about...
During sleep, several important hormones are involved in the muscle recovery process. One of these key hormones is growth hormone, also known as somatotropin. This...
Saliva is a complex biological fluid composed mainly of water, up to 99%. The remaining 1% consists of various substances such as electrolytes (sodium, potassium, calcium, etc.),...
Smells are directly linked to our emotional brain, the limbic system, which is associated with emotions and memories. When we smell a scent, it directly...
An insect bite is a skin reaction caused by the injection of saliva or venom when an insect stings the skin. The resulting itching is...
When a person experiences an allergic reaction, it is a sign of dysfunction in the immune system. Normally, the immune system is responsible for protecting...
There are four main phases of sleep, which occur cyclically throughout the night. The first is light sleep, where the body begins to relax and...
REM sleep plays a crucial role in emotion processing. During this stage of sleep, the brain is particularly active, and studies have shown that REM...
The carpal tunnel is a narrow tunnel located in the wrist, formed by bones and connective tissue. It houses the median nerve, as well as...
