Hi good people, I suppose that nicotine(tobbaco),cafeine(coffee),and others stimulants of the brain such as selegiline(eldeprenyl) etc., in some way will retard the symptoms of PD.There are some study of the effect of cafeine on PD ?? -- +----| Joao Paulo de Carvalho |------ + | [log in to unmask] | +--------| Salvador-Bahia-Brazil |------+