Scientists have uncovered how aging alters tryptophan metabolism in the brain, linking a longevity protein to ...

This comprehensive review synthesizes a decade of human and animal research to explain how the gut and brain communicate ...

Two complementary studies reveal how an insufficient supply of energy in macrophages, key immune cells in artery walls, ...

Scientists found that certain molecules made by gut bacteria travel to the liver and help control how the body uses energy. These molecules change depending on diet, genetics, and shifts in the ...

A conserved signaling axis linking Drosophila adipose tissue to nephrocyte function reveals how obesity can drive kidney dysfunction and points to new opportunities for therapeutic intervention.