
The U.S. has registered over half a million clinical trials since 2000. Here's a look at the business and ethics of human medical experimentation through the eyes of a volunteer.
(Image credit: Joe Raedle)

The U.S. has registered over half a million clinical trials since 2000. Here's a look at the business and ethics of human medical experimentation through the eyes of a volunteer.
(Image credit: Joe Raedle)