Extending lifespan to 300 years is a dystopia if sensory fidelity degrades. What is the point of seeing the 22nd century if you are blind, deaf, unable to taste food, and anhedonic? Healthspan without "Hedonic Bandwidth" is an evolutionary prison. We must actively map the regenerative pipelines for our primary sensory interfaces—photoreceptors, cochlear hair cells, taste bud progenitor niches, and mechanoreceptive touch receptors.
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