(Cholesterol levels) can be harmful.Logical formLearned from16 sentences. A reaction can be harmful.Logical formLearned from16 sentences. Sources can be harmful.Logical formLearned from16 sentences. Substances can be harmful.Logical formLearned from16 sentences. Myths can be harmful.Logical formLearned from16 sentences. Emotions can be harmful.Logical formLearned from16 sentences. (Algal species) can be harmful.Logical formLearned from16 sentences. (Business practices) can be harmful.Logical formLearned from16 sentences. A cigarette can be harmful.Logical formLearned from16 sentences. A material can be harmful.Logical formLearned from16 sentences. Fluctuations can be harmful.Logical formLearned from16 sentences. Some drugs can be harmful.Logical formLearned from15 sentences. (Waste products) can be harmful.Logical formLearned from15 sentences. Groups can be harmful.Logical formLearned from15 sentences. Medications can be harmful.Logical formLearned from15 sentences.