PURPOSE : Nitric oxide has many beneficial functions in the human body at the right amounts , but it can also be hazardous if it is produced in amounts more than needed and has therefore been studied in relation to several neurological and non-neurological disorders .
O O B-ChemicalEntity I-ChemicalEntity O O O O O O B-OrganismTaxon O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature O