Tuesday November 13, 2018

Testosterone Level Determined by Environment During Childhood, Says Study

Bangladeshis in Britain also reached puberty at a younger age and were taller than men who lived in Bangladesh throughout their childhood

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Testosterone Level Determined by Environment During Childhood, Says Study
Testosterone Level Determined by Environment During Childhood, Says Study. (IANS)
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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.

While high testosterone levels may up the risk of ageing, muscle mass, prostate enlargement and cancer, lower levels may cause lack of energy, erectile dysfunction etc. Thus, the researchers suggest that any screening for risk profiles may need to take a man’s childhood environment into account.

“Very high and very low testosterone levels can have implications for men’s health and it could be important to know more about men’s childhood circumstances to build a fuller picture of their risk factors for certain conditions or diseases,” said Gillian Bentley from Britain’s Durham University.

testosterone
Representational image.

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.

Also Read: Attractiveness in Males is Not Associated With Female’s Hormone Levels, says Study

Bangladeshis in Britain also reached puberty at a younger age and were taller than men who lived in Bangladesh throughout their childhood.

Further, it was also found that the aspects of male reproductive function remain changeable up to the age of 19 and are more flexible in early rather than late childhood, but no longer heavily influenced by their surroundings. (IANS)

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Delhi’s Air Quality Leads To Ban On Trucks And Construction

The measures include a ban on industries using coal and biomass, brick kilns, construction activities and entry of trucks into Delhi.

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India, air pollution, WHO, diwali, Pollution, Delhi, egypt, air quality
A man walks in front of the India Gate shrouded in smog in New Delhi, India. VOA

With no improvement in the air quality of Delhi-NCR even three days after Diwali, the environment authority on Saturday extended the ban on the entry of trucks, construction and polluting industries.

The Supreme Court-appointed Environment Pollution (Prevention and Control) Authority (EPCA) on Saturday ordered the Delhi government to extend the ban which was imposed on November 2.

Pollution, Delhi, egypt, air quality
As pollution levels spike, Delhi and its satellite towns are enveloped in a haze of smog. VOA

The restrictions imposed till November 10 were extended to November 12, by when there will be an improvement in the air quality of Delhi-NCR, as forecast by pollution monitoring agencies.

The restrictions were imposed by the EPCA under the Graded Response Action Plan (GRAP).

Delhi’s air quality started deteriorating a day after Diwali to “severe-plus” or “emergency” due to fireworks and weather conditions like wind speed and dipping mercury, leading to lower dispersion rate of pollutants. The Air Quality Index (AQI) on Saturday was 401 or “severe”.

India, air pollution, WHO, diwali, Pollution, Delhi, egypt, air quality
A bird flies past the Humayun’s Tomb shrouded in smog in New Delhi, India. VOA

“The CPCB-headed task force has informed EPCA that given the prevailing adverse conditions, the following measures will remain until November 12, when it will further review the situation and inform us,” said EPCA Chairman Bhure Lal, in a letter to Delhi Chief Secretary Anshu Prakash, the Delhi Environment Secretary and the Delhi Pollution Control Committee.

Also Read: Delhi’s Pollution Brings Down The Diwali High

The measures include a ban on industries using coal and biomass, brick kilns, construction activities and entry of trucks into Delhi. The restrictions exclude power plants and waste to energy plants. (IANS)