The puberty -First phase of adolescence- male, according to data handled by members of the American Academy of Pediatrics (AAP) has been advanced and started, on average, at 10.4 years of age, about two years earlier than that was estimated.

The experts of the AAP have reached this conclusion based on a study conducted in the United States by 212 pediatricians, in which more than 4,000 children aged between 6 and 12 years participated.

Among the factors that may be influencing the advancement of adolescence experts point to the increase in childhood obesity and sedentary lifestyle

The authors of the study observed that physical alterations considered as typical signs of the onset of puberty in males: presence of pubic and genital hair and growth of the testicles, occurred up to 18 months earlier than previously thought, and that the Average age was 10.4 years, and not 11.5 years, in the case of white and Hispanic children. They found that in black children, puberty has also advanced, and now begins at 9.4 years on average, when before it was at age 11.

According to the researchers, the results of the study - which has been published in 'Pediatrics' - should be taken into account when developing new health strategies aimed at this sector of the population, and new studies should be carried out to corroborate the data obtained, although in principle there is no reason to worry about this advancement of adolescence.

This trend in the advance of puberty had already been observed in other similar studies carried out with girls, although the specialists are unaware of the causes of the phenomenon. However, among the factors that may have originated this anticipation, experts point to the increase in childhood obesity and sedentary lifestyle, as well as chemical substances present in the composition of foods that children take and that could be interfering in the production natural hormones All this, at the moment, only theories that should be evaluated.

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