From the introduction: Although some drugs are very useful and safe, this appendix deals with those drugs that are dangerous and usually addictive. A thin line exists on which drug that is helpful and safe can become a drug that is dangerous and addictive. Typically, this line is cause to the dosage or amount of the drug that is taken. Also, prolonged use of a drug could cause it to enter the danger zone. It is left to the DM's discretion to make a decision on whether a drug could become dangerous and enter the ranks below. Of course, the DM no doubt has a notebook full of drugs discussed as fungi, sap, plants, and minerals that are nothing more than dangerous drugs. User summary: The original text formatting was very difficult to read; the reformatted text version is much preferred.