question: Caffeine alters  
choices.text: vital to a good life neurotransmitters good health hormones temperature Muscles in the chest physical properties weight
choices.label: A B C D E F G H
formatted_question: Caffeine alters   (A) vital to a good life (B) neurotransmitters (C) good health (D) hormones (E) temperature (F) Muscles in the chest (G) physical properties (H) weight