Shingles Vaccine and Dementia: What the Evidence Shows
Natural experiments in Wales, Australia and Canada linked shingles vaccination to fewer dementia diagnoses. What they found, and why the size is disputed.
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Emergency Department Boarding: What the Evidence Shows
For every 82 admitted patients delayed 6 to 8 hours in the ED, one extra death follows. What research shows about emergency department boarding and what patients can do.
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Resisting a Robbery: What the Evidence Shows
Should you resist a robbery? A study of 27,595 crimes found injury came after resistance in only 10% of cases. What victim surveys show, and their limits.
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Cold Weather Deaths: What the Evidence Shows
Cold is linked to about 4.6 million deaths a year, far more than heat. What the evidence shows about cold-related deaths and where researchers disagree.
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The Widowhood Effect: What the Evidence Shows
Death rates rise about 41% in the six months after losing a spouse. What meta-analyses show about the widowhood effect, who is most at risk, and why.
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Escalator Injuries: What the Evidence Shows
Escalator stories are about trapped feet, but most escalator injuries are falls, and most of the injured are older adults. What the evidence shows.
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Hospital Delirium in Older Adults: What the Evidence Shows
About 29% of older medical inpatients develop delirium, and many cases are missed. Prevention programmes cut cases by 43%, but did not reduce deaths. What the evidence shows on detection, dementia and treatment.
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Measles: What the Evidence Shows About the Risk
US measles cases went from 285 in 2024 to 3,471 by September 2026. How contagious measles is, how well the vaccine works, what immune amnesia is, and where the famous numbers are firmer or softer than they sound.
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Railway Level Crossing Deaths: What the Evidence Shows
US level crossing collisions fell by more than three-quarters between 1981 and 2010, then stopped falling. Gates and lights explain about a fifth of the decline. Who dies at crossings, which kinds are safest, and why the safest kind is not always chosen.
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Hurricane Deaths: What the Official Count Misses
Official statistics record about 24 deaths per US hurricane. Excess-mortality studies find far more, in the months and years after the storm. What kills people directly, who dies later, and how much weight the biggest estimates can carry.
