Knowledge can be harmful.Logical formLearned from4 sentences. Divisions can be harmful.Logical formLearned from4 sentences. (Phytoplankton species) can be harmful.Logical formLearned from4 sentences. Apnea can be harmful to a brain.Logical formLearned from4 sentences. Nitrous oxen can be harmful.Logical formLearned from4 sentences. A cosmic radiation can be harmful.Logical formLearned from4 sentences. Misunderstandings can be harmful.Logical formLearned from4 sentences. Enterprises can be harmful.Logical formLearned from4 sentences. A vapor can be harmful.Logical formLearned from4 sentences. (Breakdown products) can be harmful.Logical formLearned from4 sentences. After-effects can be harmful.Logical formLearned from4 sentences. Overuse of deet can be harmful.Logical formLearned from4 sentences. (Drug effects) can be harmful.Logical formLearned from4 sentences. Products can be harmful to health.Logical formLearned from4 sentences. Use of marijuanas can be harmful.Logical formLearned from4 sentences.