Teen-agers may hype on caffeine.Logical formLearned from1 sentences. A researcher may study (caffeine dependence).Logical formLearned from1 sentences. (Health risks) may be associated with caffeine.Logical formLearned from1 sentences. Caffeine may heighten symptoms of (breast lumps).Logical formLearned from1 sentences. A (caffeine buzz) can be lethal.Logical formLearned from1 sentences. A male may need a (caffeine jolt).Logical formLearned from1 sentences. Shots can be constituted-of-or-filled-with caffeine.Logical formLearned from1 sentences. (Caffeine doses) can be high.Logical formLearned from1 sentences. Reactions to caffeine may be observed at doses.Logical formLearned from1 sentences. A cup of coffee may contain some milligrams of caffeine.Logical formLearned from1 sentences. Some pills may contain some caffeine.Logical formLearned from1 sentences. Caffeine may keep a person on a (roller coaster ride).Logical formLearned from1 sentences. A female may smoke caffeine.Logical formLearned from1 sentences. A capsule may contain some milligrams of caffeine.Logical formLearned from1 sentences. A stream can be for a (morning jolt) of caffeine.Logical formLearned from1 sentences.