You can try but some people do have naturally high cholesterol. Cook foods which are low in cholesterol, without making a point of it.
A friend's DH ate a very bad diet and she worried about him, but when they went to be tested, his levels were very low indeed and hers were above normal levels.
AIBU to wish toilet cubicles were a decent size.
Family don't pitch in and help
Daughter not allowed to know new baby’s name until she visits him
