Background: A growing number of wearable devices claim to provide accurate, cheap and easily applicable heart rate variability (HRV) indices. This is mainly accomplished by using wearable photoplethysmography (PPG) and/or electrocardiography (ECG), through simple and non-invasive techniques, as a substitute of the gold standard RR interval estimation through electrocardiogram. Although the agreement between pulse rate variability (PRV) and HRV has been evaluated in the literature, the reported results are still inconclusive especially when using wearable devices.
There are all manner of purported hiccup “cures,” which include everything from chewing on a lemon, inhaling pepper, or, our dog’s favorite, eating a spoonful of peanut butter. In my video How to Strengthen the Mind-Body Connection , I talk about the technique I’m excited to try the next […]
Here’s an interesting fact. Millisecond changes in your heart rate between beats can determine if you will perform well in your next workout, grow from your last workout, if you will get sick or not and even how well you’ll lay the pipe…… What is this mystical, scientific phenomenon […]
When it comes to the quality of your sleep, the number of steps you take in a day, and how hard your heart is pumping during your sprints sesh, you know all the stats. Your fitness tracker has been your inseparable BFF for months now. And even more so […]
February is Hearth Month. Cardiovascular disease is the number one killer in the US. At the same time, breast cancer is the most common cancer among modern women. It is time we started looking at the factors that link these two biggest lifestyle-related diseases. The connections are crystal clear […]