Human longevity is determined 80-90% by epigenetics rather than genetics, which means it can be modified by lifestyle, much like diet (royal jelly) determines the exceptional lifespan of queen bees.

noli's read

The idea that longevity is primarily controlled by epigenetics is a central theory supported by David Sinclair, but it is in tension with recent research. While the analogy with bees illustrates the influence of the environment on gene expression, extrapolating these figures to humans is contested. Studies published in 2026 in Science suggest that the contribution of genetics to longevity could reach 50%, an estimate much higher than the 10-20% often cited in the past. Older studies underestimated the role of genes by including deaths from external causes (accidents, infections) rather than focusing on intrinsic biological lifespan. Consequently, the 80-90% figure appears to be an optimistic and likely exaggerated interpretation in light of the most robust current data. While lifestyle undeniably plays a role, the weight of genes appears to constitute a more significant foundation than this post suggests.

the sources

No named source held this one up — that absence is part of the verdict.