Target Heart Rate and Cardio Monitoring for Safe Workouts

Maintaining a healthy resting heart rate is a key indicator of cardiovascular health, especially during high-intensity HIIT or IVF. Learn how to lower your heart rate while running and evaluate the accuracy of calories burned on heart rate monitors.

Medical stethoscope head and red toy heart

The Effects of Noradrenaline on Heart Rate

Published Jul,08 2011 | By Chuck Eke-Okoro

Noradrenaline, or norepinephrine, is a hormone made in the adrenal gland. It is used as a chemical signal between cells of the sympathetic nervous system, a branch of the nervous system in charge of alertness, hyperactivity and quick responses.