Adult stem cells are also problematic, as they are difficult to identify, purify and grow, and simply may not exist for certain diseased tissues that need to be replaced.
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Nationality: American Type: Politician Born: February 18, 1947 |
“It's definitely nerve-racking to be the center of attention. I'm not the kind of an actor that just craves attention 24-7 - but it's part of the deal. You're the leader on the set.”
“A lot of the things that until now seemed unthinkable are starting to be thinkable.”