Yes, and making vitamin D from sunshine.

Vitamin D and Cholesterol are very similar.

https://www.unsw.edu.au/newsroom/news/2016/04/link-between-cholesterol-and-vitamin-d-production-identified#:~:text=unsw.edu.au-,UNSW%20scientists%20have%20identified%20a%20molecular%20switch%20in%20the%20body,is%20produced%20in%20the%20skin.

... and this implies that sunbathing (even on a GOOD sunbed) will help lower cholesterol, if that is your aim. It does other things too, BTW.

Yes, and making vitamin D from sunshine.

Vitamin D and Cholesterol are very similar.

https://www.unsw.edu.au/newsroom/news/2016/04/link-between-cholesterol-and-vitamin-d-production-identified#:~:text=unsw.edu.au-,UNSW%20scientists%20have%20identified%20a%20molecular%20switch%20in%20the%20body,is%20produced%20in%20the%20skin.