If you had to have an illness..

[keith_d]

..it would be this one.

https://arstechnica.com/science/2019/10/man-charged-with-dwi-after-alcohol-fermenting-yeast-in-his-gut-got-him-wasted/

[SV650rules]

Not an illness I fancy to be honest, fungal infections play havoc with the body and can kill just like bacterial or viral ones. May seem funny getting drunk for free - but imagine not being able to drive after eating any sugar or carbs.... and reading about his symptoms he wasn't a happy bunny even without eating carbs.