Patterns of Caffeine Use and Validation of Assessment in Psychiatric Population: An Implication in Primary Care Setting.

Background: Caffeine use and abuse is a concern among treatment seekers for psychological problems. This aspect has not been documented an Indian context as well as its relevance in primary care setting. The aim of the present study was to explore and compare the caffeine intake and prevalence in Indian psychiatric patients and healthy subjects.

Assessment of cotinine in urine and saliva of smokers, passive smokers, and nonsmokers: Method validation using liquid chromatography and mass spectrometry.

Background: Self-report does not provide complete information about tobacco smoke exposure among users and is not relevant for secondhand exposure detection. Biochemical screening for primary metabolite of nicotine would be useful to validate the smoking status and exposure to secondhand smoke.

Aims And Objectives: This study was designed to evaluate the performance of a sensitive and rapid method to verify smoking status among smokers, passive smokers, and nonsmokers by quantification of cotinine in saliva and urine using liquid chromatography and mass spectrometry.