The National Academies’ report touches on ethical issues raised by new technologies such as brain organoids and human-animal chimeras, and suggests that current regulatory oversight is sufficient.
Recent insights, such as the recognition that disseminated cancer cells can lie dormant for years before seeding secondary tumors, suggest novel strategies for fighting metastatic disease.
It’s now thought that in many cases, cancer cells disseminate from the primary tumor site early on and lay dormant for long periods rather than only venturing out from primary tumors at an advanced stage.
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