Changing gut bacteria may be key to longer life
The cells and bacteria living in human intestines may provide clues to how to have a long and healthy life, according to new research.
Scientists at the Buck Institute for Research on Aging examined how bacteria in fly intestines changed with age. They found that as flies age, the bacterial load in the intestines increases, which results in inflammation. Researchers also found that age resulted in the suppression of activity in certain types of molecules that help regulate the immune system; by increasing these molecules (called PGRP-SCs), they were able to restore balance in the gut.
The findings, published in the journal Cell, suggest that changing gut bacteria may lead to new methods to benefit health- and lifespan. However, more research is needed in order to confirm whether the findings hold true for humans.