Ms. ESTHER PHILLIPS (Singer): (Singing) Don't be walking through the twilight.

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You don't notice the difference through the twilight.

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It operates in the twilight zone where there isn't a "best practice" for when and how to treat, but a continuum of risks and benefits that vary from patient to patient.

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Of course, as far as "The Twilight Saga" is concerned, 18 isn't always 18.

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"Twilight: Eclipse" (June 30): Don't pretend like you haven't read all the books and are dying to know if Bella is going to join Team Jacob or Team Edward for a roll in the Forks forest.

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When "Twilight" author Stephenie Meyer told an MTV interviewer last year that she doesn't plan to write more vampire books anytime soon, "Twi-hards" struck back on the Internet.

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