June 25, 1999

Human Subjects Have It Worse Than Guinea Pigs

By R. ALTA CHARO

In the early 1990s, plastic surgeons at a prominent hospital in New York City decided to test the relative merits of two techniques that had been used for years in face-lifts. In one technique, the "superficial" approach, surgeons work on muscles closer to the surface of the skin; the technique involves few risks, but its effects may not last long. The other, a "deep" approach, allows surgeons to work on muscles

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