Tag
Immunity
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Flu vaccination tracked 20% less new atrial fibrillation across 276,888 matched adults
Flu is known to trigger heart events, but whether the shot affects heart rhythm was untested. A European Heart Journal team matched 276,888 adults on 65 characteristics and found the vaccinated developed less irregular heartbeat.
Sep 1, 2026
Shingles that reached the eye tracked 37% more dementia than shingles elsewhere
Shingles has been tied to dementia, but not every case is the same. Across 71 US health systems, cases reaching the eye carried more dementia within three years, and prior vaccination tracked less of it in both groups.
Sep 1, 2026
Zinc cut infections by 38% in young children with sickle cell disease in a Ugandan trial
Zinc is one of the most-bought supplements in the world and one of the least-tested against hard outcomes. A JAMA trial randomized 100 Ugandan children under five and counted every infection for six months.
Sep 1, 2026
Getting the steroid as an injection rather than a tablet halved the odds of still taking it a year later
Steroids are meant to be a bridge in early rheumatoid arthritis, and for many people they become permanent. Across 2,222 newly diagnosed patients, how the drug was given predicted whether they got off it.
Aug 31, 2026