“…Although the use of AChE-Is (e.g. donezepil, rivastigmine and galantamine), a symptomatic pharmacological treatment of AD, has been shown as beneficial to cognitive, functional and behavioral symptoms of the disease, it also causes undesired side effects (Sweeney et al, 1989;Bickel et al, 1991;Woodruff-Pak et al, 2001;Zarotsky et al, 2003;Liston et al, 2004). The most common adverse effects, related to cholinergic stimulation in the brain and peripheral tissues, include gastrointestinal, cardiorespiratory, extrapyramidal, genitourinary, and musculoskeletal symptoms, as well as sleep disturbances (Thompson et al, 2004).…”