Some body parts barely heal: Why the heart, brain, spinal cord and cartilage are among the hardest tissues to repair, while the liver can regenerate

While certain human tissues are capable of quick regeneration, others encounter significant challenges. The heart and brain, for example, have a tough time generating new, functional cells after damage. On the other hand, the liver showcases impressive regenerative abilities following injury. Moreover, prevention of initial damage is essential, as healing and regeneration are fundamentally different processes that require distinct approaches.
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