I just heard a blurb about this on the news the other day. Channel 3 news here in VT covered how diets such as South Beach, Atkins and mediterranean diets had the best success and lowered cholesterol. Here is a link to a similar article..
oops, can't post the link, but if you Google the headline, you will find several recent coverages.
Now...if I can just stick to it and quick my sugar habit