Controversial Research: Embryonic Stem Cells and Obesity Vaccines.

How can therapeutic purposes be considered ethical and unethical in the government and/or religious view? Even though the practice of cloning organisms is common to prevent plants from becoming endangered, the practice of human cloning is highly controversial. People believe that it is unethical for a clone to be sacrificed to save another human life because a clone is considered to be a living organism as well.

What are stem cells? What role do they stand to play in research for cures and treatment for disease?