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.
Cholinesterase is used by nerves to communicate with each other.
I thought acetylcholine is the chemical used by nerves to communicate with each other.
( z1 use :ARG0 ( z2 nerve ) :ARG1 ( z3 cholinesterase ) :ARG2 ( z4 communicate :ARG0 z2 :ARG2 z2 ) )