Skip the head and bones Muscle meat is generally safe, but cuts containing nerve tissue are more likely to harbor infectious material. So steer clear of brains, cheeks and cuts that are sold on the bone. Think twice about sausage The machine scrapings used in packaged hot dogs, bologna, salami and meatballs are drawn from numerous animals and may contain spinal tissue. Consider buying organic Beef bearing the USDA ORGANIC label is raised and processed under conditions that minimize the risk of infection.