Genetics

Cultural differences may leave their mark on DNA

A UC San Francisco-led study has identified signatures of ethnicity in the genome that appear to reflect an ethnic group's shared culture and environment, rather than their common genetic ancestry.

Autism spectrum disorders

Fine particulate air pollution linked with increased autism risk

Women exposed to high levels of fine particulate matter specifically during pregnancy—particularly during the third trimester—may face up to twice the risk of having a child with autism than mothers living in areas with ...

Overweight & Obesity

Lead linked to obesity in mice exposed by mothers

When we think of ill effects from lead exposure various neurologic problems usually come to mind. Now researchers at the University of Michigan say another health impact can be added to the list: obesity.

Diseases, Conditions, Syndromes

Lead acts to trigger schizophrenia

Mice engineered with a human gene for schizophrenia and exposed to lead during early life exhibited behaviors and structural changes in their brains consistent with schizophrenia. Scientists at Columbia University's Mailman ...

Diseases, Conditions, Syndromes

Genetics may explain severe flu in Chinese people

A genetic variant commonly found in Chinese people may help explain why some got seriously ill with swine flu, a discovery scientists say could help pinpoint why flu viruses hit some populations particularly hard and change ...

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