The chronicles of medical history demonstrate that the human body is remarkably resilient. Numerous documented cases illustrate this, including that of a French man who was discovered alive in 2007 with 90 percent of his brain missing.
This 44-year-old man was leading a typical life when it was revealed that he had severe hydrocephalus, a condition where cerebrospinal fluid replaces brain tissue.
His case exemplifies biological redundancy and adaptability, as remaining tissues compensate for lost functions (primarily through neuroplasticity).
Similar adaptations can occur with paired organs, like the lungs, kidneys, and testicles. When one organ fails, the remaining one can assume both functions.
In many instances, even after critical organ loss, advanced medical techniques can keep individuals alive.
For instance, a young American man carried a functioning artificial heart in his backpack for 555 days awaiting a transplant after his own was removed.
In some “pneumothorax cases,” surgeons can remove a patient’s heart and lungs, substituting them with a life support system known as extracorporeal membrane oxygenation (ECMO).
There are instances of individuals living without several organs.
Some patients with stomach cancer may need multiple digestive organs removed, including the full stomach, spleen, pancreas, small intestine, and colon.
Survival is possible in these situations through a combination of enzyme supplements, a tailored diet, parenteral nutrition, and sometimes insulin supplementation.
Additional internal organs that can be lived without include the gallbladder, bladder, thyroid, and appendix.
While it’s uncertain if there’s a maximum number of organs one can live without simultaneously, losing several organs in a single incident often leads to death due to blood loss, infection, or severe trauma.
This article is in response to Miriam Russell of Hull’s inquiry: “How many organs can you live without?”
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