Which of the following best characterizes the current research on stem cells?
A) Stem cells have been shown to be the most effective means of repairing the brain for most diseases.
B) Stem cells have not been shown to be effective in treating neural disorders.
C) Stem cells show a great deal of promise for treating diseases such as Parkinson's disorder or spinal cord injury, but more work is needed.
D) Stem cells are effective only if they are implanted in animals.

Question

Quizplus · Accepted Answer

While there have been some promising studies on the use of stem cells for repairing neural tissue, there is still much work to be done before their effectiveness in treating diseases such as Parkinson's or spinal cord injury can be fully understood. Therefore, option C is the correct choice. Options A and D are clearly incorrect. Option B is an oversimplification as stem cells have been shown to have some potential for treating neural disorders, although results have been mixed.

Which of the Following Best Characterizes the Current Research on Stem