Fig. 4From: Potential of niacin skin flush response in adolescent depression identification and severity assessment: a case-control studyNegative Correlation of NSFR with PHQ9 and GAD7 in adolescent DD. Note: The graph demonstrates that an increase in the severity of these symptoms correlates with a more pronounced blunting of Niacin Skin Flush Reaction (NSFR)Back to article page