The act of licking or sucking a finger after getting a cut or experiencing a small wound is an instinctive behavior for some people. There are several reasons why individuals might do this:
Pain relief: Licking or sucking the wound may trigger the release of endorphins, which are natural pain-relieving chemicals produced by the body. This can provide temporary relief from the discomfort caused by the injury.
Cleaning the wound: Subconsciously, people might believe that their saliva has cleansing properties and can help disinfect the wound. While saliva does contain some antibacterial properties, it is not a reliable method of wound cleaning, and it is generally not recommended.
Instinctive behavior: This behavior may be a vestige of our evolutionary past when humans didn't have access to modern wound care methods. Licking wounds might have been a way to keep them clean in the absence of proper sanitation and medical supplies.
Habits and cultural influences: Some people might have picked up the habit from others around them or from cultural influences where this behavior is considered normal.
While the instinct to lick or suck a wound might be natural, it is essential to recognize that it is not a hygienic or effective method of wound care. In fact, licking the wound can introduce harmful bacteria from the mouth into the cut, potentially leading to infection and delayed healing. It's best to clean the wound with soap and water or an antiseptic solution and cover it with a bandage to protect it from further contamination.
For more severe wounds or if there are concerns about infection, it's essential to seek proper medical attention and follow the advice of healthcare professionals.