Medicine’s all just guesswork in a white coat, isn’t it?
Not really. Inside every complex question there’s an answer that is simple, elegant, and wrong. The human body is fairly complex.
In addition to the previous advice, I think you’re supposed to avoid excessive alcohol intake. For this and many other reasons too, of course. I’m a pretty heavy drinker & my cholesterol’s sky high. Don’t know if it’s directly related, could be genetic factors as well, but from what little I understand, when you tax the liver like that it produces cholesterol.
Anyway, good luck with it! 