... to increase. Ginseng has traditionally been used as a stimulant to fight fatigue, provide energy through times of strenuous exercise and also helps in stimulating efficient adrenal function. It has also been found to enhance mental and physical performance; furthermore its 'adaptegenic' function helps in normalizing glucose levels after meals in diabetics, it also stimulates immune function, and has been known to help in treating male impotency. Ginseng increases activity of the CNS neurotransmitters by lowering their removal from neuronal synapse Kennedy et al (2000) carried out a study to see the effect of ginseng on cognitive performance. A 'dose-specific' improvement of quality of memory was found: 400mg of ginseng had a lasting improvement on performance in memory tasks, however it was also found that both 200mg and 600mg slowed down performance of attentional tasks. D'Angelo et al., (1986) also studied the effects of ginseng on cognitive performance, they too ...

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