Van Someren also notes that the gain in cognitive test scores is the same benefit that Alzheimer's patients can expect from taking cholinesterase inhibitors, which stall the advent .
Four years ago, while studying cholinesterase, he stumbled on a chemical, nicknamed PAM, which proved an effective antidote to deadly nerve gases.
In the near future, two new cholinesterase inhibitors, ENA 713 (Exelon) and metrifonate, are expected to become available.