Fig 3. Cortisol levels by dichotomized role.
A total of 18 pierced and 25 non-pierced participants provided saliva samples at all three time points. Error bars are 95% confidence intervals.
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.