Excess body fat can cause cancer. But, here is a new equation: excessive fat can help cure the same disease as well. How? The fat doctors get out of the body using liposuction has stem cells. These stem cells can grow into any tissue which can be used to treat cancer. This is another ethical source for stem cells that can be used right away. This is unlike the adult skin cells, also ethical, that need to be grown in the lab before they are ready for use. Stem cells are considered unethical when sourced from an embryo because it needs to be killed
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