Students and a model display Cheong Kwan Jang's student tonic "I-pass Brain," at Korea House in Seoul, Monday. The ginseng company said the product helps boost the immune system and improve memory. Yonhap |
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Students and a model display Cheong Kwan Jang's student tonic "I-pass Brain," at Korea House in Seoul, Monday. The ginseng company said the product helps boost the immune system and improve memory. Yonhap |