Red panax ginseng's antioxidant properties benefit patients with heart disorders by decreasing the oxidation of LDL chloresterol. This type of ginseng exhibits a similar protective effect on brain tissue. According to MedlinePlus, studies did not show that ginseng prevents these problems.
According to the American Academy of Family Physicians, ginseng's positive effects on mental function could include better cognition and memory, improved speed of recall, and improved accuracy during tasks requiring mental attention. Some participants in studies showed improved reaction times and better abstract thinking.