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Tag Archives | biological evolution

Young Human-Specific Genes Correlated With Brain Evolution

Young genes that appeared since the primate branch split from other mammal species are expressed in unique structures of the developing human brain, a new analysis finds. The correlation suggests that scientists studying the evolution of the human brain should look to genes considered recent by evolutionary standards and early stages of brain development.

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Melissa Sturge-Apple

Children’s Personalities Linked To Their Chemical Response To Family Stress

Is your kid a “dove” – cautious and submissive when confronting new environments, or perhaps you have a “hawk” – bold and assertive in unfamiliar settings? These basic temperamental patterns are linked to opposite hormonal responses to stress – differences that may provide children with advantages for navigating threatening environments, researchers report in a study […]

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busy day in the city

City-Living Helped Humans Evolve Immunity To Disease

A study by researchers at Royal Holloway, University of London, University College London and Oxford University, has found that a genetic variant which reduces the chance of contracting diseases such as tuberculosis and leprosy is more prevalent in populations with long histories of urban living. The results are published in the journal ‘Evolution.’

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Researcher Atul Butte

Evolution May Have Pushed Humans Toward Greater Risk For Type-1 Diabetes

Gene variants associated with an increased risk for type-1 diabetes and rheumatoid arthritis may confer previously unknown benefits to their human carriers, say researchers at the Stanford University School of Medicine. As a result, the human race may have evolved in the recent past to be more susceptible, rather than less, to some complex diseases, […]

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genetic manipulation

A Developmental Gene-Environment Interactions Model For Psychosis

The incidence of psychotic disorders varies greatly across places and demographic groups, as do symptoms, course, and treatment response across individuals. High rates of schizophrenia in large cities, and among immigrants, cannabis users, and traumatized individuals reflect the causal influence of environmental exposures. This, in combination with progress in the area of molecular genetics, has […]

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abstract image of love shown through hearts

The Evolution Of Love

How did we evolve the most loving brain on the planet? Humans are the most sociable species on earth – for better and for worse. On the one hand, we have the greatest capacities for empathy, communication, friendship, romance, complex social structures, and altruism. On the other, we have the greatest capacities for shaming, emotional […]

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