A side note on the post below: The only reason we know that bone marrow stem cells might one day be able to be used as a treatment for Alzheimer’s is due to animal experimentation. In this particular case, mice were genetically altered, they were caused to have Alzheimer’s disease, they were then treated with the stem cells, and finally, they were euthanized and dissected to see how and whether the experiment worked. Without using living organisms, this research simply could not have progressed. In other words, cell lines and computer models would have been inadequate. Indeed, if this research continues to progress, it may have to be used in monkeys or primates that have a closer genome to humans before use in human subjects. (Either that, or use disabled humans as some animal rights fanatics like Peter Singer have espoused.)
This is the real world: Animal experimentation is essential to scientific progress. It is as simple as that.
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