"It's been twenty years since famous names had their faces on the cover of Time magazine saying this would be the magic bullet, " says Norman Wolmark Chairman of Oncology at Allegheny General Hospital in Pittsburgh and an investigator in a trial testing Eloxatan.

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While the author of the Magic Mountain talked about the complexity of time around World War I, in the 1990s time was compressed here.

CNN: Defterios: What I've seen in 20 years at the Magic Mountain

Often, the initial weight loss will seem the easiest, and then the loss slows somewhat over time, said Tara Gidus, dietician for the Orlando Magic NBA team and owner of Tara Gidus Nutrition Consulting in Orlando, Florida.

CNN: A 10-pound milestone in a 2009 journey