Maybe you could give some more insight then as to what the mod that your friend is using actually does?
Do you maybe even have a screenshot of what it looks like in game?
Btw, I'm totally with you about SOL being annoying half the time - it's not my cup of tea either.
I do have some more:
https://modthesims.info/d/605259/cooler-sicknesses-mod-v-2-2-2.html
https://modthesims.info/d/659888/sickness-gamepack.html
https://adeepindigo.tumblr.com/post/651072235459772416/healthcare-redux
You might also search for life tragedies (I don't think that one is fine to be linked here).