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.
Changes in A, heart rate, and B, blood pressure, during heat and control sessions (n = 25 for both). The heart rate increased, whereas systolic blood pressure (top pair of lines) and diastolic (bottom pair of lines) blood pressure decreased during the heat session. a Indicates difference between heat and control sessions (P < .01). b Indicates difference from 0 minutes within sessions (P < .01).
