What can you infer from the fact that dried-out nasal passages make you more susceptible to the flu?

You can infer that mucus is an essential part in keeping a human healthy as without it you become more susceptible to diseases such as the flu!

precisely the author keeps the interest of readers not describing clearly the   kind of relationship in giselle's family. by doing this, readers had to imagine and assume how it was.   instead, the author described better scenes with dark star and the influence of books about horses in giselle's life and actions.   also the fact that she broke her arm but not referring to it in detail leads the readers to imagine and guess what could have occurred.

it may have problems procreating.