“…Various lifestyle factors, including smoking, drinking alcohol, drinking coffee, and exercising, are also considered as influencing factors, apart from genetic factors and nutrition factors, including vitamin B6, B12, and folic acid deficiency (Nygard al., 1995). Cognitive function was found to be improved using various cognitive-based intervention programs (e.g., imagery using video tapes, food list learning, image-name connection method, massed practice, paired-associate learning, relaxation technique, and reminiscence therapy) in studies of older adults or MCI patients (Bohlmeijer, Roemer, Cuijpers, & Smit, 2007;Sok, 2015;Subramaniam & Woods, 2012;Webster & Gould, 2007;Zhou et al, 2012).…”