Hip-hop, Heavy metal, and 2D:4D ratios [BMJ Xmas issue]

The British Medical Journal (BMJ) has a tradition of publishing light-hearted and satirical fare (no spoofs, hoaxes, or fabricated studies) around the Christmas period. This year is no exception. Here’s a selection (all open-access) :

Giving science the finger—is the second-to-fourth digit ratio (2D:4D) a biomarker of good luck? A cross sectional study

Association of Logic’s hip hop song “1-800-273-8255” with Lifeline calls and suicides in the United States: interrupted time series analysis

Ghost in the machine or monkey with a typewriter—generating titles for Christmas research articles in The BMJ using artificial intelligence: observational study

Heavy metal toxicity and mortality—association between density of heavy metal bands and cause specific hospital admissions and mortality: population based cohort study

The greeting card image featured above is from : Bah humbug! Association between sending Christmas cards to trial participants and trial retention: randomised study within a trial conducted simultaneously across eight host trials

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