Emily Packer is an author at ELife journal.
![Bananas aging from yellow to brown](https://www.michiganmedicine.org/sites/default/files/styles/card/public/blog/bananas_aging_from_yellow_to_brown.jpg?h=bfaa3d24&itok=niSrQfBM)
Health Lab
Giving flies a choice of foods changes the chemical messaging in their brain that is responsible for coordinating metabolism, shortening their lifespan as a result.
Emily Packer is an author at ELife journal.