Mandatory Music: listen to this amazing song by The Arts and Sciences. Go on, press the button:
Nine is the atomic number of fluorine. The lightest of the halogens, fluorine is a pale yellow gas. Wikipedia says that “Many SSRI antidepressants are fluorinated organics.” Organic what? I don’t know. I do know this song, called “Fluoxetine” (aka Prozac) is quite lovely and expresses the tremendous ambivalence many people feel about taking antidepressants. Press the button and have a listen.