10 Foods Older Adults Should Avoid Eating Raw Seafood. Sushi and sashimi are popular delicacies, but seniors need to take a few precautions before eating raw seafood. ... Grapefruit. ... Soda. ... Soft Cheese. ... Sports Drinks. ... Processed Meats. ... Raw Eggs. ... Unpasteurized Milk. More items... 28 Mar 2018