New study: The level of testosterone depends on the environment of men raised

KOMPAS.com – Testosterone is the key to building muscle mbad, fertility and male puberty. Meanwhile people badume if hormone levels are determined by factors such as genetics or race.

However, a study shows something else.

The results of a study published later in the journal Nature Ecology & Evolution showed that the environment in which a child lives is a more important factor in determining testosterone levels,

The results were obtained by researchers from the University of Durham in England who compared different groups of men according to where they had spent their childhood.

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This study compares five groups of men, rich people born in Bangladesh and still living there, a man of origin Bangladeshi who moved to London as a child, a man born in Bangladesh and moved to London to adulthood, a man of British descent whose parents are Bangladeshi immigrants and men born in England and have descendants from Europe to

All men in this study had testosterone levels in the normal range and healthy. But the study also revealed significant differences between this group of men.

Men born in Britain or Bangladesh, but raised in the United Kingdom, have on average the same level of testosterone, height and age at puberty, regardless of their ancestor

Dr. Landon Trost, an endocrinologist at the Mayo Clinic who was not involved in the study, said that something happens in childhood that can have a lifelong effect on the production of testosterone male hormones.

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This also corresponds to what doctors have known about how childhood diseases can affect the production of testosterone.

"We see examples in infertility, Trost pointed out that some infections, like mumps, would have long-term effects on sperm production, but studies show that the environment is a much more important than genetics in testosterone production, but this does not necessarily indicate that environmental factors are most important in childhood.

"It is also possible that children who migrate to a younger age are more likely to adopt a lifestyle in their new home, compared to those who migrate after adulthood and may be familiar with food, customs, local traditions in which they were raised, "says Trost.

In other words, it is possible that the Bangladeshi men who moved to England become adults, of a Bangladeshi man who grew up These differences explain the testosterone levels of the two different groups.