A (heart ailment) can be chronic.Logical formLearned from12 sentences. A (nursing shortage) can be chronic.Logical formLearned from12 sentences. A (deficit spending) can be chronic.Logical formLearned from12 sentences. A (brain damage) can be chronic.Logical formLearned from12 sentences. (Playboy antics) can be chronic.Logical formLearned from12 sentences. A pyelonephritis can be chronic.Logical formLearned from12 sentences. Musculoskeletal disorders can be chronic.Logical formLearned from12 sentences. A (marijuana smoking) can be chronic.Logical formLearned from12 sentences. A (methamphetamine abuse) can be chronic.Logical formLearned from12 sentences. A (cocaine treatment) can be chronic.Logical formLearned from12 sentences. Backaches can be chronic.Logical formLearned from12 sentences. Applications can be chronic.Logical formLearned from12 sentences. A (sleep deprivation) can be chronic.Logical formLearned from12 sentences. Respiratory disorders can be chronic.Logical formLearned from12 sentences. A fungal infection can be chronic.Logical formLearned from12 sentences.