This accessibly written book explores the different types of stem cells, their current and potential future medical applications, and the many controversies that surround their creation and use.

• Offers additional and updated information since the first edition, including expanded coverage of popularly contested topics such as weight loss medications and genetic contributors to obesity

• Examines key issues related to obesity, such as whether or not someone can be healthy and obese

• Highlights key ideas and debates discussed in the book through illuminating case studies that use engaging real-world scenarios

• Provides readers with a helpful Directory of Resources to guide their search for additional information