These days, they say "no" is a complete sentence, but is no response actually a response? After all, might it be a way to align yourself with an older adage: "If you don't have anything nice to say, ...

The startle response is a sudden, reflex-like response to an unexpected stimulus, such as a loud noise or bright light. It is an unlearned and largely unconscious defense mechanism shared by animals ...

Most of us know about the “fight or flight” response, the body’s built-in survival instinct. But that framework leaves out two other common ways the nervous system reacts to stress. Indeed, ...