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You May Carry Neanderthal DNA. Scientists Found What It Does to You
Newsweek • • science
Key Points:
- A study has identified a Neanderthal variant of a growth hormone receptor gene that causes a stronger cellular response to growth hormone, leading to increased muscle mass in adults who carry it.
- This gene variant, inherited through interbreeding between modern humans and Neanderthals about 47,000 years ago, results in cells growing 40% more in lab tests compared to the modern human receptor.
- Analysis of data from over a million people showed carriers of the Neanderthal receptor have approximately 270 grams more muscle mass on average, with effects becoming noticeable around puberty.
- The variant is also linked to subtle skeletal differences resembling Neanderthal features, such as a shorter rear lower jaw and shorter tooth roots.
- Researchers emphasize that while the gene contributes to muscle mass, it is not a substitute for physical training in developing a muscular physique.
