Whether you're looking to lose weight, improve aerobic fitness, muscle strength, or endurance, exercise intensity will be an important...

After age 30, many of us start to lose 3-8% of muscle mass per decade. Age-related muscle loss and strength is called sarcopenia and is...

Heart rate variability (HRV) is simply the measurement of variation between each heartbeat. Heart rate variability manifests as a...

I wake up before the birds are chirping on most mornings, so it’s common that the skies are still dark as night when I get myself out of...