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New research from the University of Kent reveals social cohesion with immigration is best ensured through childhood exposure to diversity in local neighbourhoods, leading to acceptance of other groups.
The research, which is published in
Oxford Economic Papers, builds on the Nobel Laureate economist Thomas Schelling s Model of Segregation, which showed that a slight preference by individuals and families towards their own groups can eventually result in complete segregation of communities.
Shedding new light on this issue, researchers from Kent s School of Economics have introduced the theory that adaptability to a diverse social environment depends on greater exposure to diversity in childhood years. Following this increased acceptance of other social groups in a community, social diversity and cohesion is then sustainable.
It is largely caused by a lack of sun exposure
Researchers found that this deficiency is linked to the migration habits of our predecessors
New research shows that migration patterns of humans from high sunlight areas to lower sunlight areas over the last 500 years has greatly impacted current health outcomes.
Danish researchers conducted an analysis – published in the
Oxford Economic Papers – to substantiate their claims that migration over the past five centuries “induced differences in contemporary health outcomes”.
Three facts behind the theory
The researchers expressed that the theory behind their analysis is based on three physical facts: vitamin D deficiency is associated with an increased risk of mortality (death); humans’ ability to produce vitamin D naturally from sunlight decreases with skin pigmentation; and lastly, “skin pigmentation is the result of an evolutionary compromise between higher risk of vitamin D deficiency and lower risk of skin cancer
A new study in the
Oxford Economic Papers finds that migration flows the last 500 years from high sunlight regions to low sunlight regions influence contemporary health outcomes in destination countries.
The researchers here noted that people s ability to synthesize vitamin D from sunlight declines with skin pigmentation, and that vitamin D deficiency is directly associated with higher risk of mortality, from illnesses including cardiovascular disease, type 1 and type 2 diabetes, hypertension, and certain cancers. Recent research even .finds that vitamin D affects the severity of COVID-19.
Researchers here focused on groups from high sunlight regions that migrated to low sunlight regions between 1500 and today. The resulting population shifts caused the risk of vitamin D deficiency to rise substantially. The researchers explored the aggregate health consequences of such migration over a long historical perspective.
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