Medicine & Biology

Clinical trials, drugs, genetics, and the biology of life — from new treatments to cell and molecular research — summarised in plain English with an honest credibility grade. Updated daily.

  1. Credibility: Promising abstract only

    Very small doses of the magic-mushroom drug caused no hallucinations, an early trial hints

    Psilocybin, the active chemical in magic mushrooms, produced no hallucinations at very low doses. In 56 healthy adults, doses of 0.5 to 4 milligrams were noticeable but caused no visions and no drop in attention or memory.

  2. Credibility: Promising abstract only

    A blood-thinning drug helped more stroke patients recover after clot removal

    After doctors pulled a blood clot from a stroke patient's brain, adding a drug called tirofiban helped more people return to living independently. In a trial of 1,380 people, 49% on the drug were independent after three months, versus 43% on a dummy treatment.