This video is part of our "Motley Fool Conversations" series, in which health care editor/analyst David Williamson and consumer goods editor and analyst Austin Smith discuss topics across the investing world.

In this edition, David and Austin are back talking obesity drug makers. The companies have seen a lot of action with huge share price appreciation since the last video. Is the enthusiasm for approval justified, or are we witnessing a mini-bubble? Watch and find out.

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