My apologies, I have no idea why or how this was sent to the list - there must be gremlins at work. Strange things have been happening to me all day - somebody downloaded a whole bunch of junk into one of my files, and one of my off list messages went to someone other than the addressee! What is going on? hilary blue Hilary Blue wrote: > > Ray Strand wrote: > > > > Camilla Flintermann wrote: > > > > > >Levo-dihydoxy-phenylalanine (L-dopa), the amino acid precursor > > > >of dopamine, was first used to treat Parkinson's disease > > > >(brain catecholamine neurochemistry).........etc > > > e