Using leftovers from liposuction patients, scientists have turned human fat into stem cells, a new study says. The new method is much more efficient than a previous practice that used skin cells, researchers say. The discovery may also help avoid the controversy spawned by the use of stem cells from human embryos. Human fat is "an abundant natural resource and a renewable one," said Stanford University plastic surgeon Michael Longaker, whose liposuction patients donated the fat for the study. (source: news.nationalgeographic.com)
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