These cells from human embryos can grow into any type of tissue & may someday cure diabetes & Alzheimer's
... into specific kinds of tissue, nor to they understand why cancerous cells 
lose... [DOC] [TLE] the promise of stem cells - National Academies [PAR] Alzheimer's disease ... different kinds of tissues in the body, and 2) they are self-
renewing in the ... Scientists believe that, because of their versatility, these cells