But what is Prozac—a medication, or a mental steroid? A cure for depression, or a drug that changes personality? Reported to turn shy people into social butterflies and to improve work performance, memory, even dexterity, does Prozac work on character rather than illness? Are you using it "cosmetically," to make people more attractive? More energetic, more socially acceptable? And what does it tell us about the nature of character and the mutability of self?

    He provides information on how cannabis works with the body's own system, how best to prepare and administer it, and how to modify and control dosage. This newly revised edition is now completely up-to-date with the latest information on the body's encannabinoid system, which is now understood to control emotion, appetite, and memory, delivery and dosing of cannabis, including e-cigarette designs, additional varietals, and a new system for classification, as well as 21 additional ailments and conditions that can be treated with medical marijuana. There are currently more than 4.2 million medical cannabis patients in the United States, and there are 29 states plus the District of Columbia where medical cannabis is legal.

    The long-anticipated revision of this best-selling text offers the most comprehensive, up-to-date introduction to the theory and practice of artificial intelligence. *NEW-Nontechnical learning material-Accompanies each part of the book. *NEW-The Internet as a sample application for intelligent systems-Added in several places including logical agents, planning, and natural language. *NEW-Increased coverage of material - Includes expanded coverage of: default reasoning and truth maintenance systems, including multi-agent/distributed AI and game theory; probabilistic approaches to learning including EM; more detailed descriptions of probabilistic inference algorithms. *NEW-Updated and expanded exercises-75% of the exercises are revised, with 100 new exercises. *NEW-On-line Java software. *Makes it easy for students to do projects on the web using intelligent agents. *A unified, agent-based approach to AI-Organizes the material around the task of building intelligent agents. *Comprehensive, up-to-date coverage-Includes a unified view of the field organized around the rational decision making pa