To determine point of view's importance: Know whether events of the story are being interpreted by the author or by one of the characters. If interpreted by one of the characters: ask how this character's mind and personality affect his/her interpretations. ask whether the character is perceptive or imperceptive.
But in a poll done for The Wall Street Journal by NPD Group Inc. of Port Washington, N. Y., 70% of 1,000 respondents said they probably wouldn't take a prescription drug after its expiration date; 72% said the same of an over-the-counter remedy.
Shelf life of prescription drugs. Although the majority of prescription drugs would indicate an expiration date, being able to determine the actual shelf life of prescription drugs is actually fairly difficult. You will, most likely, find that the majority of prescription drugs are still highly effective once the use by date has been passed.