2nd August 2026, Sunday

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HealthTech News

  • Ancient mummy DNA provides scientific evidence that colonization brought smallpox to the Americas
    on August 2, 2026 at 6:00 pm

    Ancient mummy DNA recovered in Chile has yielded the firmest evidence yet that European colonization brought smallpox to the Americas.

  • Large-scale brain scan study reveals unexpected differences in motor and visual regions linked to depression
    on August 2, 2026 at 4:20 pm

    Major depressive disorder, commonly referred to as depression, is a debilitating psychiatric disorder estimated to affect roughly 5% of the global population. Depression is characterized by persistent sadness and hopelessness, difficulty concentrating on tasks, a lack of interest in everyday activities and changes in sleep and/or appetite.

  • When more blood does not mean more neuronal energy during REM sleep
    on August 2, 2026 at 3:00 pm

    REM sleep is already called “paradoxical sleep.” The body is largely still, yet the brain is highly active. In humans, this is also the stage most closely associated with vivid dreaming. Our study, published in Communications Biology, has revealed another paradox hidden within REM sleep: Brain blood volume increased, but the ATP available inside neurons decreased.

  • Scientists map dormant cancer cells’ hideouts, opening new targets for treatment
    on August 2, 2026 at 2:00 pm

    Researchers at the MRC Laboratory of Medical Sciences (LMS), Imperial College London and UCL Genetics Institute have created a detailed map of cells within breast tumors and identified distinct neighborhoods of proliferating and dormant cells. The study, published in Genome Medicine, reveals that protective immune and connective cells surround the hibernating cancer cells, potentially shielding them from treatments. It suggests future therapies may need to target not only different cancer cell states but also the local environments that help them survive, to both halt tumor growth and prevent cancer from coming back later.

  • Somatic mutations linked to vascular damage in progeria
    on August 2, 2026 at 1:20 pm

    Hutchinson–Gilford progeria syndrome (HGPS) is a genetic disorder that causes remarkable premature aging. Most patients die during their teenage years from cardiovascular disease, but the precise mechanisms underlying vascular damage remain unclear.