Daylight Saving Time: What the Evidence Shows
What studies show about sleep loss, heart attacks, road crashes and errors after the clocks change, why countries disagree, and the fight over permanent time.
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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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Tick Bites and Lyme Disease: What the Evidence Shows
How long a tick must be attached, what works after a bite, why US case counts jumped, and what trials of longer antibiotics and a new vaccine found.
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Cricket injuries, fast bowlers and the guard for the neck
Cricket injury rates by role, the workload patterns behind fast bowlers’ back stress fractures, helmet and neck-guard rules, and why the evidence says play carefully.
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Vitamin K food sources and the one dose that matters at birth
Vitamin K food sources by the spoonful, why natto’s K2 is missing from food tables, the newborn injection and refusal data, and what trials found for bones.
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Water Main Breaks: What the Evidence Shows
US and Canadian water mains broke 11.1 times per 100 miles in 2023, and cast iron breaks ten times as often as PVC. What research shows about why pipes fail, health risks after a break, and the cost of fixing them.
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Sinkholes: What the Evidence Shows
In South Korea, damaged sewer pipes caused 46% of ground collapses between 2019 and 2023. What research shows about natural and urban sinkholes, who pays, and what detection can do.
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Rugby injuries, the tackle and the law that lowered it
Tackle concussions fell 38% after Irish community rugby lowered the tackle below the sternum. What rugby injury research shows, and how to play safely.
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Surfing injuries, your own board and the shark in proportion
Most surfing injuries come from your own board, not sharks. What research shows about surf injuries, drowning and reefs, and how to surf more safely.
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Badminton injuries, the Achilles at 36 and the shuttle in the eye
Achilles ruptures in recreational players around 36 and shuttlecock eye injuries: what badminton injury research shows, and how to keep playing safely.
