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.
Eliot EngelI wholeheartedly support umbilical stem cell research, but also support embryonic stem cell research.
Eliot EngelThe countless number of influential figures in American history who are of Caribbean heritage indicates the need to set aside a designated time to celebrate their contribution to our country.
Eliot Engel