Humans May Have Always Been Able to Regenerate Body Parts–Scar Tissue Just Gets in the Way

Live updates

1. 6m ago

   Research Advances in Cellular Regeneration and Hearing Recovery

   Scientists are investigating how to trigger the growth of complex body parts by bypassing scar tissue. Recent findings identify specific genes that can create new cells in the inner ear. This progress moves the field closer to treating permanent hearing loss.

   What's confirmed:

   • A combination of genes can generate new cells in the inner ear to replace those responsible for hearing.
   confidence 100%
2. 28d ago

   Scientists Work to Unlock Hidden Human Regenerative Powers

   Researchers suggest mammals may possess dormant abilities to regrow complex body parts. Current studies focus on redirecting the body's healing response away from scar formation to enable regrowth. Animal tests have successfully restored bone, joints, ligaments, and tendons.

   What's confirmed:

   • Researchers used a two-stage treatment to restore bone, joints, ligaments, and tendons after amputation in animal studies.
   • The ability to rebuild complex body parts in mammals may be switched off rather than lost.
   • Salamanders regrow lost limbs by organizing cells into a temporary structure called a blastema.
   • A mouse digit typically seals the wound with scar tissue and stops growing if amputated above the tip.
   • Texas A&M researchers have successfully regenerated skeletal and connective tissue, though not perfectly formed.

   Still unconfirmed:

   • A groundbreaking serum may soon allow humans to regrow fingers and limbs.
   • Scientists have discovered a specific gene that could help humans regrow lost limbs.
   • Humans have hidden Wolverine-style healing powers.
   confidence 80%