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We spend the day telling them not to bite their nails and not to suck their thumb ... and it turns out that we do it wrong. According to the latest studies, we should let children bite their nails, because the act itself favors the immune system to develop more effectively.
Scientists corroborate this in the latest research: children who bite their nails and suck their thumbs develop fewer allergies. In other words, it turns out that the undesirable habit of biting your nails has unsuspected health benefits.
The study this time has been carried out by experts from the University of Otago, in Dunedin (New Zealand). 1000 people were analyzed from the age of 5. The scientists discovered that those who had the mania of biting their nails or sucking their fingers from a young age (a third of those who were part of the study), were less likely to develop allergies from the age of 13.
What type of allergies does the study refer to? Obviously, it has nothing to do with asthma or hay fever, but allergies to dust, mites, cats, dogs... The researchers showed that children who chewed their nails or sucked their thumbs were one-third less likely to develop such an allergy in their teens and even into adulthood.
The results of these studies reaffirm the 'hygiene hypothesis', This theory championed by a branch of experts who defends that children should be in contact with germs from a very young age. According to this theory, by being in contact with all kinds of germs since babies, the immune system becomes stronger. In this case, the nails hide a good number of bacteria.
This theory or hypothesis of hygiene would also explain why today there are so many more allergies when hygiene measures are greater than 200 years ago.
According to the experts who conducted this study, there are other factors that can help curb certain allergies: having older siblings, living with pets, and living on a farm or near animals. In fact, they also do not recommend that children be encouraged to suck their fingers or bite their nails, as it can lead to other types of problems, such as gastric infections or deformation of the teeth.
You can read more articles similar to Why You Should Let Your Child Bite His Nails, in the category of Allergies on site.