Niacin Skin Sensitivity Is Increased in Adolescents at Ultra-High Risk for Psychosis.
BACKGROUND:Most studies provide evidence that the skin flush response to nicotinic acid (niacin) stimulation is impaired in schizophrenia.However, only little is known about niacin sensitivity in the ultra-high risk (UHR) phase of psychotic disorders.METHODS:We compared visual ratings of niacin sensitivity between adolescents at UHR for psychosis a