Mix of stress and air pollution may lead to cognitive difficulties in children

Children with elevated exposure to early life stress in the home and elevated prenatal exposure to air pollution exhibited heightened symptoms of attention and thought problems, according to researchers. Early life stress is common in youth from disadvantaged backgrounds who also often live in areas with greater exposure to air pollution. Source: Mix of stress […]

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Low doses of radiation used in medical imaging lead to mutations in cell cultures

Common medical imaging procedures use low doses of radiation that are believed to be safe. A new study, however, finds that in human cell cultures, these doses create breaks that allow extra bits of DNA to integrate into the chromosome. Source: Low doses of radiation used in medical imaging lead to mutations in cell cultures

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A secreted signature of aging cells

Senescent cells undergo an irreversible and permanent arrest of cell division and are hallmarks of both the aging process and multiple chronic diseases. Senescent cells — and more importantly the factors they secrete, known collectively as the senescence-associated secretory phenotype (SASP) — are widely accepted as drivers of aging and multiple age-related diseases. Source: A […]

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