More muscle, less belly fat: mutations to a gene are linked to wide-ranging benefits0

• SCIENCE, Science / Health, Science Mission Directorate, scientists, Space, Space Communications & Navigation Program, Space Launch System (SLS), Space Telescope, space-x-ipo, SpaceX
• August 8, 2026

The ratio of fat tissue (fat droplets in yellow; artificially coloured) to muscle mass is reduced in people with newly identified variants of a gene that affects cellular metabolism. Credit: Steve Gschmeissner/Science Photo Library A massive genomic study has linked mutations in a specific gene to an increased proportion of muscle, decreased levels of belly