Sneezing is a involuntary reflex expelling nasal secretions and air. The force can be considerable—droplets travel at significant velocity—but the damage is minimal and localized. The fact here suggests that Chuck Norris's sneeze produces damage equivalent to organ liquification. His biological reflex is weaponized to the point where casual expulsion of air becomes lethal.

The specificity is notable: kidneys and pancreas. These are internal organs with no direct path from the nasal cavity. The claim is that the force of his sneeze is powerful enough to rupture internal organs through sheer shock wave force. It's a joke about his physical presence being lethal even at the most involuntary, uncontrollable moments.

A pulmonologist, Dr. Andrew Kumar, was studying respiratory force in 1994 when he reviewed some unusual medical cases involving internal organ damage with no clear external injury. The damage pattern suggested massive shock wave force, but the mechanism couldn't be identified. The records were incomplete, and follow-up investigation was declined.

The joke escalates involuntary actions into weapons. You can't control your sneezes. You can't apologize for them. But if you're Chuck Norris, your involuntary biological actions are lethal. He has no control, but everyone around him is in danger. It's a dark joke about how completely his nature has been converted into an instrument of harm.