Complex sentence: In spite of its widespread use in food products, a small number of people have been found to have alleric reactions to carmine-based dyes, ranging from mild cases of hives to atrial fibrillation and anaphylactic shock, with 32 cases documented to date.
Split into simpler sentences: In spite of its widespread use in food products, a small number of people have been found to have allergies to carmine-based dyes, including anaphylactic shock in rare cases. OceanSide Publications, Inc. ranging from mild cases of hives to atrial fibrillation and anaphylactic shock, with 32 cases documented to date.