Other drugs on the market, approved to treat mild to moderate Alzheimer's, are believed to work by inhibiting cholinesterase, an enzyme that breaks down acetylcholine which is a chemical used by nerves to communicate with each other.
Acetylcholine helps nerves communicate
( z1 help :ARG0 ( z2 amino-acid :name ( z3 name :op "Acetylcholine" ) ) :ARG1 ( z4 communicate :ARG0 ( z5 nerve ) ) )