The symptoms of schizophrenia vary greatly from person to person. A new study shows how these differences manifest themselves in the structure of the brain. Schizophrenia is a complex mental health ...

A recent study showed that the heart rate variability of a dog and its owner adapt to each other during interaction. High heart rate variability is associated with relaxation, while low heart rate ...

One overlooked metric that may affect your sleep is your heart rate variability. Here's the link between HRV and your sleep quality. Luke Daugherty is a freelance writer, editor and former operations ...

A higher heart rate variability suggests your body is calm but alert, like a boxer bouncing from foot to foot. Did you know there’s a number that might let you know how stressed you are, whether you ...