A recent study from researchers at Brown University, published in the Proceedings of the National Academy of Sciences, suggests that gut hormones in fruit flies could be key to understanding human longevity.

The study found that by suppressing the insulin-regulating 'neuropeptide F' hormone in the gut of fruit flies, the researchers were able to extend the insects' lifespan.

This finding is significant for humans, as both fruit flies and humans share many similar genes and hormones.

The study also highlights a connection between nutrient sensing, insulin signaling, and the production of juvenile hormones, which are involved in regulating physiology.

Notably, researchers found that the suppression of neuropeptide F in the gut could improve longevity by integrating these factors.

Although humans do not produce neuropeptide F, the findings could influence the development of new diabetes and obesity treatments, which target similar hormonal pathways involved in insulin regulation.