Anxiety and caffeine.
D000124:Achievement; D000328:Adult; D000428:Alcohol Drinking; D001007:Anxiety / Q000139:chemically induced*; D002110:Caffeine / Q000009:adverse effects*; D003069:Coffee / Q000009:adverse effects; D005260:Female; D006801:Humans; D008297:Male
D003069:Coffee; D002110:Caffeine