What are two amazing medical discoveries of 2022?
Earliest surgery
After investigating the skeleton of a person who lived on the Indonesian island of Borneo about 31,000 years ago researchers found out that the first known surgical operation was a leg amputation . Healed bone where the lower left leg had been removed suggests the individual survived for several years after the procedure. The discovery pushes surgery’s origin back by some 20,000 years.
Resurrecting dying organs
Yale scientists succeeded in reviving cells in the hearts, liver, kidneys, and brains of pigs that had been lying dead in a lab for an hour. The researchers used a device much like a heart-lung machine to pump a custom-made solution, dubbed OrganEx, into the pigs' bodies . The pigs' hearts started beating. The pigs weren't revived, but the technology might be useful for human transplantation and in limiting damage to hearts from heart attacks, and to brains from strokes.
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