Perhaps the most important potential application of human stem cells is the generation of cells and tissues that could be used for cell-based therapies. Today, donated organs and tissues are often used to replace ailing or destroyed tissue, but the need for transplantable tissues and organs far outweighs the available supply.
The advantage to using stem cells in organ transplants is that because they come from the patient's own body, their body won't reject the transplant like it may with certain transplants.
Stem cell research is controversial mainly because it uses cells found in embryos. Conservatives and religious people who are also pro-life are against it for obvious reasons however there are other ways of researching like with adult stem cells.
Most embryonic stem cells are derived from embryos that develop from eggs that have been fertilized in vitro—in an in vitro fertilization clinic—and then donated for research purposes with informed consent of the donors. They are not derived from eggs fertilized in a woman's body.
I am for stem cell research and I think everyone should be. Even for people who are are against it because they are pro-life, there are other methods of stem cells research. While abortion is legal embryonic stem cell research will continue but even if that legislation were to change, stem cell research could still continue through adult stem cells.
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