The replication crisis . . . and other stories
BMJ 2025; 389 doi: https://doi.org/10.1136/bmj.r904 (Published 15 May 2025) Cite this as: BMJ 2025;389:r904
Mitochondria movement
Mitochondria have their own genome and it’s thought that they evolved from free-living bacteria engulfed by eukaryotic cells. Far from being static, these intracellular organelles have recently been observed to move between cells, possibly as an adaptation to rescue compromised tissue (Nature doi:10.1038/d41586-025-01064-5). Whether there are any implications for human health isn’t yet clear.
Walking speed linked to cardiac arrdhythmias
People who walk briskly, whether by self report or as measured by accelerometry, are less likely to experience cardiac arrhythmias according to an analysis from UK Biobank. Among …
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