Despite the growing population of patients affected of AD, only four drugs are currently approved to treat the cognitive symptoms of AD in European Union; these include three cholinesterase inhibitors (donepezil, galantamine, and rivastigmine) and one N-methyl-d-aspartate (NMDA) receptor antagonist (Hyde et al., 2013; Tan, 2014). Here, BCHE is linked to Alzheimer disease.