Biologists say the HLA genes of the immune system — which are responsible for recognizing and marking foreign cells such as viruses so other parts of the immune system can attack them — also determine body odor "fingerprints." And people tend to be attracted to the natural body odors of those who have different HLA genes from their own.In one study, Swiss biologist Claus Wedekind found that women who were not taking hormonal contraception preferred the natural scent of men whose immune systems were the most different from theirs.In 2015, 23and Me was granted authorization by the US Food and Drug Administration (FDA) to market the first direct-to-consumer genetic test.23and Me offers two Personal Genetic Services: Health Ancestry and Ancestry.This is another layer on top of that so you can find better matches.” However, DNA daing does not come cheap, it is around a month for supscription and some scientists have questioned the actual usefulness of the Instant Chemistry method.
Co-founder of Instant Chemistry, Ron Gonzalez , told USA Today: “With Online dating, you have socioeconomic factors fctors people try to match on – religion, how much you make. "How many dating services can you think of where they can suggest you might have better children? The companies claim that a better biological match will mean better sex, less cheating, longer-lasting love and perhaps even healthier children.See the full picture story here SOME people will accuse me of playing with fire.Next summer, I am due to marry Nic, my boyfriend of two and a half years.Holzle wouldn't reveal membership numbers, but Gene Partner, a Swiss company that works with matchmakers and dating sites, has tested more than 1,000 people, according to chief scientific officer Tamara Brown.