Man develops brain infection after years of eating undercooked bacon

A 52-year-old man who regularly ate lightly cooked bacon was hospitalized with severe headaches and later diagnosed with a brain infection caused by pork tapeworm larvae.

The patient, whose identity has not been disclosed, arrived at the hospital suffering from weeks of debilitating migraines and intense back pain. Scans revealed unusual cyst-like lesions in his brain, which were later identified as being filled with tapeworm larvae.

Doctors diagnosed him with cysticercosis, a parasitic infection linked to the Taenia solium tapeworm commonly found in pigs. The condition occurs when larvae migrate through the body and lodge in organs, including the brain.

The breakthrough came when medical staff asked the man about his diet. He admitted that he preferred his bacon “soft” and almost raw, avoiding crispy, fully cooked strips. His long-standing preference for undercooked pork was determined to be the likely source of the infection.

The patient required weeks in intensive care and was treated with anti-parasitic and anti-inflammatory medications to fight the infection and reduce swelling in his brain.

What health experts say about safe pork consumption

Food safety guidelines recommend cooking pork products, including bacon, to an internal temperature of 145°F (62°C). Because bacon is thin, it is generally easy to cook thoroughly, but undercooking remains a risk.

Doctors involved in the case noted that infections from pork tapeworms are rare in the United States but stressed that undercooked pork remains a potential health concern.

This unusual case has drawn attention to the importance of cooking meat properly, even in countries where food safety standards are high. For bacon lovers, experts say ensuring it is fully cooked is the best way to prevent foodborne illness.