What are the benefits of kissing

summary

Kissing is the most common thing between lovers. When two people in love are together, they can't help but want to kiss each other. So, do you know the benefits of kissing? Next, I'll give you a brief introduction.

What are the benefits of kissing

First: brain changes: analgesic effect. When it acts on a special morphine receptor in the brain, it makes people feel happy and happy, and helps people get rid of depression. In addition, endogenous morphine has analgesic effect similar to morphine.

Second: oral changes: prevention of dental caries. To prevent dental diseases, saliva secretion increases during kissing. The trace elements calcium and phosphorus contained in saliva can effectively prevent dental caries after being absorbed by enamel, while the natural antibiotic enzyme in saliva can control the bacteria in oral cavity at a lower level.

Third: lung changes: alveolar respiration. In the process of kissing, we are most afraid of being out of breath, so we often take a deep breath before kissing, and then exhale slowly in the process of kissing. Unconsciously let the alveoli do a deep breath, improve the oxygen supply in the alveoli, exercise the vital capacity.

matters needing attention

Prevent wrinkles. Kissing seems simple, but it exercises 34 facial muscles at the same time. Some are responsible for lifting the lips and making them protrude forward and outward, some are responsible for maintaining the shape of the lips, and some are responsible for controlling the position of the lips. The completion of this action can increase the blood supply of facial skin by 30%, speed up the metabolism of muscles, and prevent skin relaxation and wrinkles.