We all have reflexes. They are a type of involuntary movement or action that occurs in response to a stimulus. When you go to the doctor, and they hit your knee with a light hammer, your leg ...

We all jump at an unexpected noise or touch, but in some people, this startle response is exaggerated, and can cause falls and even death. Subscribe to read this story ad-free Get unlimited access to ...

The Moro reflex is a startle response in babies that makes their arms extend and retract. Newborns grow out of the Moro reflex within the first two months of life. The absence or extreme presence of ...

Your baby’s flinch when his sister screams feels alarming, and you want a clear answer about whether it harms him. A startled reaction is usually a normal reflex, not a sign of lasting damage, but ...