A Excessive Road well being meals chain says it has needed to order further shares of rosemary after analysis claimed the scent of the herb may enhance the reminiscence of scholars revising for exams.
Holland & Barrett says there was a 187% enhance in gross sales of rosemary important oil in contrast with final yr.
A Northumbria College research confirmed pupils in a room scented with rosemary carried out higher in reminiscence assessments.
It supported the normal hyperlinks between rosemary and reminiscence.
A spokeswoman for Holland & Barrett mentioned that after the research about rosemary was printed “we noticed a pointy rise in buyer demand”.
“Because the examination season continues, we’ve got elevated provision in retailer to fulfill demand,” she mentioned.
The frenzy for rosemary noticed virtually a doubling in gross sales in contrast with the identical time final yr and a trebling in contrast with the earlier week.
A whole lot of 1000’s of pupils are revising and taking GCSEs and A-levels – with the suggestion that the spike in rosemary gross sales has been pushed by anxious mother and father looking for a method to assist their kids.
The analysis from Northumbria College, introduced on the British Psychological Society’s annual convention, backed up historic associations between rosemary and reminiscence.
It steered that pupils who labored in a classroom with the aroma of rosemary oil achieved higher leads to reminiscence assessments.
Researcher Mark Moss mentioned the human sense of scent was extremely delicate and despatched messages to the mind, setting off reactions and responses.
“It may very well be that aromas have an effect on electrical exercise within the mind or that pharmacologically energetic compounds could be absorbed,” he mentioned.
Rosemary has been related with reminiscence for hundreds of years.
In historic Greece, college students wore garlands of rosemary in exams and in Shakespeare’s Hamlet, Ophelia says: “There’s rosemary, that is for remembrance.”