Anne R. Crecelius

The rise of wearable fitness trackers has increased the number of people monitoring their heart rate, both throughout the day and during exercise. Whether you’re an athlete trying to gain the competitive edge, a weekend warrior tracking progress or someone who is just trying to improve your health, consider heart rate a valuable tool in understanding the work of your amazing body as it achieves th

You’re doing it! You’re working out, reaping all those benefits of exercise that have been drilled into your head. So you’re pedaling your heart out or running like you’re escaping a zombie horde. You’re feeling accomplished, on cloud nine, until … your stomach starts to churn. You may even feel dizzy. Your feelings of accomplishment have turned to agony as you deal with a bout of nausea. Exercise