Food Safety Report: Grand 18 - Winston-Salem, University Parkway, Winston-Salem, NC, USA 2 years ago • details 8 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps, Chills Suspected source: Popcorn Onset: 4 to 12 hours Duration: other: Still sick. Have been all day Sick: Me Additional… See more