Susceptibility to diabetes and metabolic disorders is high among people who relocate from rural to urban areas. In developing nations, people shift from rural areas to cities and this escalates stress levels which affects their hormone levels and make them more susceptible to diabetes and other metabolic disorders.
About 387 million people worldwide have diabetes, and 77 percent of them live in low and middle-income countries, according to the International Diabetes Federation. In the Middle East and north Africa, one in 10 adults have diabetes.
Type 2 Diabetes
Globalization and changing lifestyles has made diabetes very common in developing countries so much so that India is known as the Diabetes Capital of the World.
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Chronic exposure to the stress hormone cortisol ia a major factor that can raise a person's risk of developing diabetes and other metabolic problems. Cortisol can counteract insulin, the hormone that regulates blood sugar, and slow the body's production of it.
"Our findings indicate that people who leave a rural lifestyle for an urban environment are exposed to high levels of stress and tend to have higher levels of the hormone cortisol," said one of the study's authors, Peter Herbert Kann, MD, PhD, MA of Philipp's University in Marburg, Germany. "This stress is likely contributing to the rising rates of diabetes we see in developing nations."
![How Does The Body React To Stress]( "How Does The Body React To Stress")
Physical symptoms of stress on the body are varied, ranging from hormonal changes to changes in the nervous system, manifesting as the flight-fight-freeze response.
To test the theory, researchers examined people from one ethnic group - the Ovahimba people of Namibia in southwestern Africa. Namibia is the second least-densely populated country in the world, with 38.6 percent of residents living in urban environments.
In the prospective, cross-sectional, diagnostic study, the researchers measured cortisol, blood sugar and cholesterol levels in 60 Ovahimba people living in the regional capital, Opuwo. Opuwo has a population of around 21,000. The researchers then conducted the same tests on 63 Ovahimba people living at least 50 kilometers from the nearest town or village.
Among the urban residents, 28 percent of the people had diabetes or other glucose metabolism disorders. The rate was less than half that for rural residents. The urban dwellers also had significantly higher cortisol levels than their rural counterparts.
"While the city residents reported that they exercised less and ate more fast food and desserts than the rural residents, lifestyle changes aren't the only factor at work. The results suggest socio-cultural instability caused by urbanization contributes to an increased risk of developing diabetes or another metabolic disorder," Kann said. The difference in cortisol levels indicates that the hormone is a key part of the equation.
Source: Medindia
How Does The Body React To Stress
Physical symptoms of stress on the body are varied, ranging from hormonal changes to changes in the nervous system, manifesting as the flight-fight-freeze response.
Advertisement
To test the theory, researchers examined people from one ethnic group - the Ovahimba people of Namibia in southwestern Africa. Namibia is the second least-densely populated country in the world, with 38.6 percent of residents living in urban environments.
In the prospective, cross-sectional, diagnostic study, the researchers measured cortisol, blood sugar and cholesterol levels in 60 Ovahimba people living in the regional capital, Opuwo. Opuwo has a population of around 21,000. The researchers then conducted the same tests on 63 Ovahimba people living at least 50 kilometers from the nearest town or village.
Among the urban residents, 28 percent of the people had diabetes or other glucose metabolism disorders. The rate was less than half that for rural residents. The urban dwellers also had significantly higher cortisol levels than their rural counterparts.
"While the city residents reported that they exercised less and ate more fast food and desserts than the rural residents, lifestyle changes aren't the only factor at work. The results suggest socio-cultural instability caused by urbanization contributes to an increased risk of developing diabetes or another metabolic disorder," Kann said. The difference in cortisol levels indicates that the hormone is a key part of the equation.
Source: Medindia
Diabetes and Hypertension
Diabetes and hypertension (high blood pressure) are significant health problems worldwide, but like cardiac disease and fatty liver disease, people of Indian origin are disproportionately affected.
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