Dose-dependent changes in mood and cognitive performance following single doses of lemon balm (Melissa officinalis) to healthy young adults

Lemon balm (Melissa officinalis) has been used in medical herbalism for at least two millennia, and contemporaneously for its purported sedative-hypnotic properties. The possibility of cognitive and mood effects following single doses of M. officinalis in isolation has not previously been investigated and formed the focus of the present study