Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Adjusted means + standard error for those mood measures showing significant treatment-related effects. (a) Alert; (b) Tired; (c) Headache; (d) Overall mood; (e) Mental fatigue; (f) Jittery. Ratings are measured as % along a visual analogue scale with higher values indicating greater response. YM = young male; YF = young female; OM = older male; OF = older female; * p < 0.05; *** p < 0.005; **** p < 0.001.
