An electromagnetic radiation can be harmful.Logical formLearned from9 sentences. Exposure can be harmful.Logical formLearned from9 sentences. Supplements can be harmful.Logical formLearned from9 sentences. Adverse effects can be harmful.Logical formLearned from9 sentences. Electromagnetic waves can be harmful.Logical formLearned from9 sentences. Cigarettes can be harmful to health.Logical formLearned from9 sentences. Food can be harmful.Logical formLearned from9 sentences. Uvs can be harmful.Logical formLearned from9 sentences. A radiation can be harmful.Logical formLearned from9 sentences. Noise can be harmful.Logical formLearned from9 sentences. Material may be deemed harmful.Logical formLearned from9 sentences. A soot can be harmful.Logical formLearned from9 sentences. A sun can be harmful.Logical formLearned from9 sentences. Some species can be harmful.Logical formLearned from9 sentences. (Cleaning products) can be harmful.Logical formLearned from9 sentences.