AI Insight
Research published in Science reveals that a specific DNA variant inherited from Neanderthals is associated with increased lean muscle mass in modern humans. Individuals carrying this genetic variant from our evolutionary cousins demonstrate a tendency toward greater muscle development compared to those without it. This finding provides new insights into how ancient human interbreeding continues to influence physical traits in contemporary populations.
Why it matters
This discovery could help explain natural variations in muscle mass across different populations and may have implications for understanding athletic performance, metabolic health, and susceptibility to muscle-related disorders. The finding also contributes to our broader understanding of how Neanderthal genetic contributions continue to shape modern human biology.
Understand the Science
People with DNA variant from our evolutionary cousins tend to have more lean muscle mass
Source: Neanderthal growth gene turns modern humans into muscle heads