
I’m just making a quick note of some recent writing.
I published a new post on the Antidotum Substack which reported on a recent paper on urine drug testing in people who use drugs.
I’ve also had some new posts about colourblindness on my 1 in 12 Substack. Those are:
- *Everyday colourblindness: the blinking problem of red-green LEDs
- *Is Boris Johnson colourblind?
- *[Stars and stripes - getting i…

I’m just making a quick note of some recent writing.
I published a new post on the Antidotum Substack which reported on a recent paper on urine drug testing in people who use drugs.
I’ve also had some new posts about colourblindness on my 1 in 12 Substack. Those are:
- *Everyday colourblindness: the blinking problem of red-green LEDs
- *Is Boris Johnson colourblind?
- *Stars and stripes - getting it wrong with football kits
- *Bladder cancer and colour vision
- Colourblindness and cricket
In the February 2024 issue of the BJGP my Editor’s Briefing:
Previous post January 2024 reading list Finding Your Comic Genius by Adam Bloom Dead in the Water: Murder and Fraud in the World’s Most Secretive Industry by Matthew Campbell and Kit Next post February 2024 reading Project Hail Mary by Andy Weir Mostly Harmless by Douglas Adams Letters to a Young Poet by Rainer Maria Rilke Making Books by Simon Goode