> However, we couldn't find a match because matching happens via ethnicity (at a high level), and my brother and I are mixed race. So, lack of access to cord blood stem cells is a pain point that my family knows deeply,

I am a mix of White, Chinese, and Caribbean Black, so this alarms me, as I seriously doubt that there are many people with my particular makeup out there.

A long way from having kids, but at least for me, this made the value proposition for this a lot more relevant for if/when I do.