Vladimir Lenin led the Bolshevik Revolution, helped create the Soviet Union and launched the communist era in Russia. Learn more at Biography.com. Vladimir Lenin was founder of the Russian Communist Party, leader of the Bolshevik Revolution and architect and first head of the Soviet state.
The disadvantages come entirely from the source of stem cells. For embryonic stem cells, a human blastula (the collection of cells that will eventually become a fetus) must be sacrificed. This brings forth an image of sacrificing babies for science, and needless to say, many folks have a problem with that.
All types of stem cell transplants share some of the same side effects. Many common side effects, such as nausea, vomiting, fatigue and temporary hair loss, are due to chemotherapy or radiation therapy. Other side effects are unique to high-dose therapy and stem cell transplant.