What happened
A 52-year-old man developed numerous cysts in his brain filled with tapeworm larvae after years of eating undercooked bacon. Doctors determined the condition was caused by a pork tapeworm infection. The medical term for this condition is neurocysticercosis, where larvae of the pork tapeworm lodge in brain tissue. Scans revealed multiple cyst-like lesions throughout his brain, and his habit of eating almost raw bacon over many years was identified as the likely source.
Cause of the infection
The parasite involved is Taenia solium, commonly called the pork tapeworm. Humans usually get infected in two ways:
Eating undercooked or contaminated pork containing tapeworm cysts.
Ingesting tapeworm eggs from contaminated food, water, or surfaces, which then hatch and migrate into tissues, including the brain.
When larvae lodge in the brain, the infection is called neurocysticercosis, which can lead to headaches, seizures, neurological symptoms, or even be life-threatening if untreated.
Why undercooked bacon was risky
Properly cooking pork kills parasites and cysts. Undercooked pork can still contain infective tapeworm forms, which, if ingested, can develop into cysts in human tissues. In this case, the man’s preference for barely cooked bacon allowed the tapeworm cysts or eggs to survive and infect him.
Prevention
Cook pork thoroughly: Health guidelines recommend cooking pork to at least 63 °C (145 °F) with a rest time to ensure safety.
Practice good hygiene: Wash hands before preparing or eating food and wash raw fruits and vegetables