1. Do not let children handle this product.
2. Use the right product for the job. There are certain applications for which this product was designed. Do not modify this product for a purpose for which it was not intended.
3. Maintain product with care. Keep cookware clean and dry when not in use, and follow instructions for seasoning to insure best performance.
4. Do not operate product if under the influence of alcohol or drugs. Read warning labels on prescriptions to determine if your judgement or reflexes are impared while taking drugs.
And a helpful note from Wikipedia:
"Bare cast-iron vessels have been used by humans for cooking for hundreds, if not millions, of years."