Although neurological diseases such as AD, PD, and MS were seen to be one of the most searched, medications particular to these said diseases such as immunosuppressants, cholinesterase inhibitors, N-methyl-D-aspartate receptor antagonists, dopamine agonists, monoamine oxidase B and catechol-O-methyl transferase inhibitors were not found among the most searched drugs. This evidence concerns the gene BCHE and nervous system disorder.