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Study finds no link between teen pot use and schizophrenia risk

New research has found little link between marijuana use and schizophrenia, contrary to previous studies that suggested pot-smoking adolescents were at greater risk of developing the mental illness. A recent study conducted at Harvard Medical School compared families with a history of schizophrenia and those without such a history, and…

Law lets South Dakota teachers bring guns into classrooms

South Dakota Gov. Dennis Daugaard (R) signed a bill into law on Friday that allows teachers to pack heat in classrooms, becoming the first state in the nation to do so. Similar proposals have been considered in about two dozen states since the Sandy Hook Elementary School massacre last December,…

Scientists find new way to generate human stem cells

WASHINGTON — US researchers have found a new, “remarkably efficient” way to generate human stem cells that could provide an alternative to using embryonic stem cells in treating disease, a study published Thursday said. The new method does not require risky genetic modification and holds huge therapeutic promise, said the…

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