
ChadFucksYourOneitis
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Men who grew up in challenging conditions like prevalence of infectious diseases or poor nutrition may have lower levels of testosterone -- male sex hormone -- in later life, says a study. The findings suggest that the differences may be linked to energy investment. For instance, in environments where people are more exposed to disease or poor nutrition, developing males direct their energy towards survival at the cost of testosterone
For the study, published in the journal Nature Ecology and Evolution, the team collected data from 359 men born and still resident in Bangladesh; Bangladeshi men who moved to London as children; Bangladeshi men who moved to London as adults; second-generation, Britain born men whose parents were Bangladeshi migrants; and Britain born ethnic Europeans.
The results showed that Bangladeshi men who grew up and lived as adults in Britain had significantly higher levels of testosterone compared to relatively well-off men who grew up and lived in Bangladesh as adults. Bangladeshis in Britain also reached puberty at a younger age and were taller than men who lived in Bangladesh throughout their childhood.