22nd September 2026, Tuesday

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HealthTech News

  • Cocaine hijacks a brain circuit that naturally supports flexible behavior
    on September 22, 2026 at 8:40 pm

    Researchers have identified a brain circuit that normally supports flexible behavior but is recruited by cocaine to drive increasingly rigid and repetitive behavior. Published in the journal Current Biology, the findings show that shifting the balance between opposing neural pathways can either promote behavioral rigidity or, conversely, rapidly interrupt cocaine-driven repetitive behavior and restore a broader range of actions, offering new insight into the brain mechanisms underlying compulsive and stereotyped behavior.

  • Cardiovascular health and exercise: How much aerobic activity do you really need?
    on September 22, 2026 at 8:40 pm

    As a physician, I am often asked by patients how much aerobic exercise is truly necessary for optimal cardiovascular health.

  • Strength training causes fat cells to shrink even before weight loss, study suggests
    on September 22, 2026 at 8:20 pm

    Just seven days of strength training increased visceral fat burning in obese mice, even before any weight loss could be seen on a scale. In an experiment conducted at the State University of Campinas (UNICAMP), researchers observed that a short period of strength training activated mechanisms involved in fat breakdown, reduced fat cell size and decreased fat around the animals’ intestines.

  • Kratom cases climb sharply across the US
    on September 22, 2026 at 8:20 pm

    Addiction treatment centers across the United States are seeing more patients who have become dependent on kratom and a stronger compound made from it, known as 7-OH.

  • First global guideline sets standards for the use of phages in hard-to-treat infections
    on September 22, 2026 at 8:00 pm

    An international working group led by the German Society for Infectious Diseases (DGI) has developed a guideline for personalized phage therapy. Twenty professional organizations, 18 international experts, including representatives from regulatory agencies, and two patient advocacy organizations were involved.