Did the reign of dinosaurs condemn mammals to a shorter lifespan?
In short: This video explores the theory that the dominance of dinosaurs during the Mesozoic era may have fundamentally shaped the aging process of modern mammals, causing us to age faster than other vertebrate groups.
The survival of early mammals during the age of dinosaurs required rapid reproduction and quick development to avoid predation. This evolutionary pressure may have favored traits that prioritize early-life success over long-term cellular maintenance.
Researchers suggest that this 'longevity bottleneck' forced mammals to sacrifice the robust repair mechanisms found in other vertebrates, effectively leaving us with a biological legacy of accelerated aging that persists to this day.
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Sources
- Summary by Intellect · source: How Dinosaurs May Have Cursed Us With Aging
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