Figure 4.
Core body temperature, heart rate, and autonomic nervous system activity. Values are mean ± SE for placebo (-), caffeine (-), and oolong tea trial (-).
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.