On the flip side, a low HRV — less variation between beats — can indicate your body is stuck in “fight-or-flight” mode. That ...

Picture a mammal that can deliberately shut down most of its brain functions for most of the year, then wake up in the spring with its memories and in.

Nitric oxide doesn’t get the hype of collagen or NAD+, but it plays a central role in blood flow, energy, and how well the ...

The Arctic ground squirrel survives conditions that would cause irreparable brain damage in almost any other mammal on the ...