The D form of phenylalanine is for pain, the L is for depression.  The D
inhibits the enzymes that  break down the brain's enkephalins.(pain killers)
Taken from "Life Extension" part 3, chap. 3, Depression, Helplessness, and
Aging.  pg. 184.        Oliva

-----Original Message-----
From: S.B. Feldman
Date: Monday, July 05, 1999 7:57 AM
Subject: [P-F] right and left handed molecules


>In a message dated 7/5/99 7:34:18 AM Eastern Daylight Time,
>[log in to unmask] writes:
>
>1- every organic substance we consume is a d/l mixture