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...
When you lack sleep, your brain struggles to properly regulate emotions. Certain parts of the brain, like the amygdala, become hyper-reactive. The result: you react...
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...
Singing works your brain in quite an amazing way, like a gentle but effective brain workout. It stimulates multiple neural regions at the same time, particularly those...
Regularly expressing gratitude encourages us to focus our attention on the positive aspects of our daily lives, which boosts pleasant emotions such as joy, satisfaction, and optimism....
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...
When you don't get enough sleep, your body slightly disrupts the hormones responsible for managing hunger. Ghrelin, the one that screams "I'm hungry!", skyrockets and...
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...
This expression comes from the 19th century, a time when eating quickly with one's fingers, without plates or cutlery, was common among rushed workers or...
