Medically reviewed by Steven Gans, MD Key Takeaways The parasympathetic nervous system, or "rest and digest" system, helps ...

Your body’s alarm system has been blaring all day. Deadlines loom, notifications ping, and that familiar tension creeps into your shoulders and jaw. You’re operating in survival mode, with your ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. A few weeks ago, we discussed cortisol, so I wanted to spend this week exploring the nervous ...

While we’ve evolved to be able to respond well to immediate threats, our stress-response system is less able deal with the ...