1. This is illegal in Canada. An hour after munching on some light potato chips made with fat substitute olestra — Debra Jaliman, 55, a Manhattan dermatologist, found herself so sick with abdominal cramps that she had to cancel her slate of patients. Reactions like these are why the Center for Science in the Public Interest, a consumer advocacy organization, says no one should eat olestra, and why Canada banned it. Read full story here.