A person may get hooked on caffeine.Logical formLearned from3 sentences. (Caffeine consumers) can be heavy.Logical formLearned from3 sentences. Scientific evidence to date may indict caffeine.Logical formLearned from3 sentences. Dangers can be to caffeine.Logical formLearned from3 sentences. A person can be a consumer of caffeine.Logical formLearned from3 sentences. Women may consume caffeine.Logical formLearned from3 sentences. A female may come to a den of caffeine.Logical formLearned from3 sentences. Caffeine may be used in a treatment of types of headache.Logical formLearned from3 sentences. Some medications may contain caffeine.Logical formLearned from3 sentences. Caffeine can be in rats.Logical formLearned from3 sentences. Caffeine can be a positive.Logical formLearned from3 sentences. A caffeine may act as a stimulant.Logical formLearned from3 sentences. A body may metabolize caffeine.Logical formLearned from3 sentences. Caffeine may increase (brain activity).Logical formLearned from3 sentences. Caffeine can be (lifetime drug).Logical formLearned from3 sentences.