Anonymousabout 2 hours ago
A January 2026 study published in Science estimates that genetics account for roughly 55% of intrinsic lifespan variation — more than double the 25% consensus that has guided public health policy for three decades. The finding has reignited a fierce scientific debate over nature versus nurture in longevity, with major implications for the $80 billion anti-aging industry, employer wellness programs, insurance underwriting, and the first clinical trials of epigenetic reprogramming therapies.