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Stem Cells

For as long as humans exist optimal health will continue to remain necessary for a productive life. As new medical discoveries are made each year humans become healthier, and their life expectancy increases. Stem cell research, a relatively new field, aims to improve and lengthen human life. The possibility that stem cells could cure many long term health problems makes this research beneficial to the human race. The value of stem cells comes from their ability to replicate many times and develop into tissue. Scientists suggest that stem cells have the ability to treat debilitating health problems such as: Alzheimer’s disease, spinal cord injuries, strokes, burns, heart disease, diabetes, osteoarthritis, and rheumatoid arthritis. Scientists obtain stem cells from embryos, adult tissue, umbilical cord blood, and bioengineered cells.
The major controversy surrounding stem cell research and therapies is due to the fact that embryos are destroyed when harvesting the cells. Embryonic stem cells, also called blastocysts, exist in three to five day old embryos. Destroying embryos brings up ethical concerns for many individuals. Despite this controversy scientists aspire to use embryonic stem cells because they can differentiate into every type of cells, whereas adult stem cells can be differentiated only into the cells, from where they were originated. In order to decide how one feels about stem cell research, one must first decide when life begins. Does life begin the moment an egg gets fertilized with sperm? Does life begin after the blastocyst attaches to the wall of the uterus? Or does life begin after an embryo becomes fetus? With all of these variables and differences in opinion, it’s easy to see why stem cell research is such a controversial topic.
“If, as we believe, human embryos are human beings, then research that involves deliberately

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