For couples, kissing is simply a matter of everyday but, the atmosphere to kiss, wake up in the morning kiss, go home at night kiss …… Two people’s adrenaline rush, simply uncontrollable, but the fact is that kissing in addition to being able to experience the heartwarming feeling, there are many benefits, today to talk to you about what are the benefits of kissing, the single dog next door left tears of envy …… 1. stress relief Biologist Sheril Kirshenbaum mentioned: just the anticipation of a kiss can stimulate the brain’s reward channel. That is to say, just one kiss can make people as happy as walking among the clouds, kissing dopamine, serotonin, endorphins and other hormones that can make the body happy will be secreted in large quantities, while the level of cortisol (the hormone that creates a sense of stress) will be reduced, so the kiss can really relieve stress and bring a sense of pleasure. 2. Weight loss Kissing mobilizes 34 facial muscles, while up to 112 core muscles such as the pelvis, abdomen and back are also involved, but the fact that it takes 30 min of kissing a day, three times a week to barely achieve the purpose of weight loss, so it is not realistic to lose weight through kissing. 3. Beauty The American Society of Sexual Behavior in Los Angeles, a group of experts and other studies found that kissing with the tongue for a long time can drive facial muscle activity, which can enhance the blood supply to the skin, reduce the production of wrinkles, and get a beauty windfall. 4. pain relief “Physiologically speaking, this makes sense.” Kissing makes people excited and in a good mood, producing endorphin hormones, which not only makes people feel happy, but also helps to stop pain, but it is actually much worse than the effect of painkillers, and it is better to seek medical attention in time for real pain. 5. Hiccups Hiccups are caused by different reasons, some are digestive tract dysfunction, some are functional diaphragm spasm, different reasons, different treatment methods.” Kissing can treat hiccups caused by functional diaphragm spasm. In addition to kissing, this type of hiccup can be treated by closing the air, mental relaxation and distraction. 6. Clean teeth Kissing can also stimulate one’s oral salivary glands to secrete large amounts of saliva, which contains substances such as calcium and phosphorus that can inhibit some acid-producing bacteria, thus effectively preventing dental diseases such as plaque and dental caries. However, if both parties do not pay attention to cleaning, instead, bacteria will be allowed to visit each other’s doors and may cause tooth decay. As one of the most involved intimate acts in the world, kissing is really a very romantic and happy thing, and I hope everyone can enjoy this wonderful love! References: [1] Kirshenbaum S. The science of kissing: What our lips are telling us [M]. Grand Central Publishing, 2011. [2] Walter C., Sci. Am., 2008, 19(1): 24-29. [3] Zhu J. P., German scholars have new research on kissing [J]. Health Expo. 2005(6):14.