https://www.caa.co.uk/general-aviation/safety-topics/safety-sense-leaflets
Safety Sense Leaflet 24: Pilot Health and Performance
https://www.caa.co.uk/publication/download/25360
This Safety Sense Leaflet (SSL) is an introduction to pilot health and performance, including the considerations pilots must make before flight. SSLs are aimed at private pilots and this leaflet includes guidance on the health risks associated with flying and how to stay healthy as a pilot.