How long is a typical adult sleep cycle?

It is only when panic attacks become so frequent that they affect a person's ability to function in day-to-day living that the person is said to have a panic disorder

Indicate whether the statement is true or false.

Maria is in her ninth month of pregnancy. She begins to feel contractions, but when she gets up and walks around, the contractions go away. Most likely, she has experienced which of the following?

a. showing b. the first stage of labor c. the second stage of labor d. Braxton-Hicks contractions