Tobacco increases risk of schizophrenia, psychosis

  Tobacco increases risk of schizophrenia, psychosis Tobacco smokers are at increased risk of psychotic disorders such as schizophrenia, according to University of Queensland researchers. Their review of eight long-running studies has found strong evidence of an association between smoking ...

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A cold super-Earth in our neighbourhood

Artist’s impression of the surface on the planet “Barnard’s Star b”. © Image: ESO/M. Kornmesser   A cold super-Earth in our neighbourhood Barnard’s star, the closest single star, hosts an exoplanet An international group of astronomers, involving the Max Planck ...

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Immunity connects gut bacteria and aging

A Drosophila fruit-fly (iStock photos)   Immunity connects gut bacteria and aging EPFL scientists have discovered how a dysfunction in the immune system can cause an overload of a gut bacterium. The bacterium produces excess lactic acid, which in turn ...

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