... betweenbone, brain and intestine, describes the serotonin cyclein a detailed and comprehensive way: two differenttypes of enzymes, tryptophan hydroxylase (Tph)1 and Tph2 promote the synthesis of serotoni ... ‘nostalgiafortheCentre’ ismainly an erotic archetype, a tormenting desire of love and beauty, of ontological integrity and harmony,increasingly fuelled by the melancholy that in Schelling’sview ... Sotgiu’ Quantitative and Evolutionary Psychiatry and Cardiology, L.U.De.S. University, Lugano, Switzerland, Via dei Faggi. 4,Quartiere La Sguancia CH - 6912 Lugano Pazzallo, Switzerland.2Departmentof...