HERE is yet another reason to stay at a healthy weight. Stem cells from the fat of women with obesity boost the growth of breast tumors more than cells from slim women. Stem cells are undifferentiated biological cells, that can differentiate into specialized cells and can divide (through mitosis) to produce more stem cells. They are found in multicellular organisms. In mammals, there are two broad types of stem cells: embryonic stem cells, which are isolated from the inner cell mass of … [Read more...]