how fo you modify food choices from a regular menu to varios medical conditions like people with low cholesterol? instead of consuming 8 oz of 2% milk what would they consume?

If you're asking about people with high cholesterol who need a low cholesterol diet, these sites should help you.

http://www.gicare.com/diets/low-cholesterol-diet.aspx

http://www.medicinenet.com/script/main/art.asp?articlekey=56308