Tar can be harmful.Logical formLearned from2 sentences. Phthalates can be harmful to humans.Logical formLearned from2 sentences. (Passive smoking) can be harmful to health.Logical formLearned from2 sentences. Nitrates can be harmful.Logical formLearned from2 sentences. Megadoses of a vitamin can be harmful.Logical formLearned from2 sentences. Substances can be harmful to a fetus.Logical formLearned from2 sentences. Bites can be harmful.Logical formLearned from2 sentences. A refuse can be harmful.Logical formLearned from2 sentences. Insects can be harmful.Logical formLearned from2 sentences. Social impacts can be harmful.Logical formLearned from2 sentences. (Pesticide exposures) can be harmful.Logical formLearned from2 sentences. (Chemical inputs) can be harmful.Logical formLearned from2 sentences. A discourse can be harmful.Logical formLearned from2 sentences. (Folk remedies) can be harmful.Logical formLearned from2 sentences. A penetration can be harmful.Logical formLearned from2 sentences.