“…Because cognitive disorders, especially VaD may present with several manifestations, symptomatic treatment of VaD needs a multitarget drug strategy. Herbal medicine has been widely used with large beneficial effects for the treatment of various diseases (Sepahi, Ghorani-Azam, Asoodeh, & Rostami, 2014). Findings have shown that herbal extracts, for example, Crocus sativus, Lycium barbarum, and Olea europaea have neuroprotective effects (Chan et al, 2007;Chang & So, 2008;Linardaki, Kokkosis, Lamari, & Margarity, 2013;Purushothuman et al, 2013;Zamani, Hassanshahi, Soleimani, & Zamani, 2013).…”