Researchers have discovered that a chemical released from cut grass and other vegetation can work directly on the brain in the amygdala and hippocampus areas which are responsible for emotions and memory.

Apparently it can reduce stress and boost memory in addition to preventing damage to the hippocampus normally resulting from chronic stress.

According to this Telegraph article, (see link, below) the Australian researchers have produced a perfume spray which will soon be available.

[1] http://www.telegraph.co.uk/science/6094786/Feeling-stressed-Then-go-mow-the-lawn-claims-research.html

“Eau de mow”?  (It’s true - its not April 1st)