Cardio is a key component of any weight-loss plan, as it gets your heart pumping steadily. The Centers for Disease Control ...

Andrew Huberman, a neuroscientist and professor of neurobiology and ophthalmology at Stanford University School of Medicine, ...

You can also take the " talk test " if you're unable to monitor your heart rate. As per this test, while performing zone 2 cardio, you'll be able to talk comfortably, speaking around three to five ...