Video: Mechanism to form itching sensation in humans

We get itchy dozens of times every day for many reasons such as allergies, weather, disease or insect bites . and other mysterious reasons. Sometimes saying the word "itch" makes us feel itchy.

Sometimes saying the word "itch" makes us feel itchy.

Are you scratching your head? Take familiar examples like: mosquito bites.

When a mosquito bites you, it releases into the body the anticoagulant that prevents blood from freezing, we are less likely to be allergic to the compound. It stimulates histamine release, a chemical that causes capillaries to swell and cause blood to flow faster, helping to stimulate the body's immune system to detect danger.