Researchers say that the immortal jellyfish could prevent human aging.
Duangkamon Panyapatiphan/iStock.
Button suffered from a rare disease that caused him to age backward. In a similar situation, turritopsis Dohrnii, a jellyfish species, seems to be immortal.
Source:
https://interestingengineering.com/science/immortal-jellyfish-human-aging-research