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.
Higher total testosterone and SHBG levels, but not free testosterone, are associated with lower performance in executive function and in verbal learning and memory domains. Total testosterone (Panels A and B), SHBG (Panels C and D) and free testosterone (Panels E and F) levels were categorized according to the sample median values.* p<0.05, ** p<0.01, + p=0.07, not significant.
