An enzyme called 11beta-HSD1 is involved in making these hormones and has been shown to be more active in the brain during aging.

The researchers are looking at a new chemical compound which blocks an enzyme, known as 11beta-hsd1, which helps produce stress hormones within cells.

The researchers are currently investigating a new chemical compound which blocks an enzyme -- 11beta-HSD1 -- that is involved in producing stress hormones within cells.