The French kiss strengthens our immune system and prevents disease

The classic French kiss is not only good for couples and love, as a passionate demonstration of one's own feelings, but also for one's own immune system . Such as? You will say. The answer provides us with a Dutch search. This is because, through it, a good eighty million bacteria are transmitted from one organism to another , if a kiss of about ten seconds is counted. Instead, to transfer salivary microbiota , you need to kiss at least 9 times in a day. If you love each other, it's not hard, right?

But what are these last? They are nothing but a mix of innumerable micro-organisms that human beings "host" in their mouths. They are essential for vital functions such as digestion, nutrient synthesis and disease prevention.

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Moreover, in our mouth there are over seven hundred types of microbiota . How did they arrive at these conclusions? The researchers analyzed the microbiology of a sample of twenty-one couples aged between seventeen and forty-five, including two gay couples: one lesbian and one of two men. Couples were asked to kiss before and after ingesting a probiotic drink containing specific types of bacteria, including Lactobacillus and bifidobacteria; substances hardly present inside our mouth. The researchers thus found that the couple had the same bacteria in their mouths, which is an indication of transmission. Therefore, the function of language and of saliva is fundamental, which, for the same reason, can also be, unfortunately, vectors of viral diseases.