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BlankThe process of growing stem cells, either embryonic or adult, involves the use of a female ovum (egg). There is a natural limit to the use of these methods,the question of supply. For example, to cure the estimated 100,000 persons with PD in Australia alone, would call for 100,000 donated eggs. Since it is never certain that the process will deliver viable cells each time, the actual number required would be more than this. I feel that the cloning of the person's own somatic (body cells, e.g., skin) is the more viable option, as well as solving some of the ethical quandaries. Jim ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn