[troutman]

NASA Twins Study Confirms Preliminary Findings

https://www.nasa.gov/feature/nasa-tw...inary-findings

Another interesting finding concerned what some call the “space gene”, which was alluded to in 2017. Researchers now know that 93% of Scott’s genes returned to normal after landing. However, the remaining 7% point to possible longer term changes in genes related to his immune system, DNA repair, bone formation networks, hypoxia, and hypercapnia.