>>512124233
Prematurity and Low Birth Weight are a lot more common in mixed-race babies
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2867623/

Mixed-race people have the highest mental illness rates:
https://www.unc.edu/news/archives/oct03/udry10302003.html

To all the cuckservatives and marxists saying race is not real, tell that to the person awaiting an organ transplant. Many organ transplants won't take unless the donor and recipient are of the same race.

Sounds like a lot more than "skin color."
https://www.washingtonpost.com/national/health-science/race-matters-when-a-patient-needs-a-stem-cell-or-marrow-transplant/2013/08/05/51abdf04-f2d9-11e2-ae43-b31dc363c3bf_story.html

Organ donations must be from person with the same race and similar genetics, due to this, mixed-race people for having peculiar genetic combinations face challenges when they try to receive organ donations
http://content.time.com/time/health/article/0,8599,1993074,00.html

Teenagers who identify as mixed-race have greater health and behavioural risks than those who identify with only one race:
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1448064/

Mulatto teenagers show much more anti-social behaviour than both black and whites teenagers:
http://www.msu.edu/~renn/RHE-_mixed_race.pdf

Race mixing is scientifically proven to have detrimental consequences such as mixed race people having infertility, mental health issues, defects/disabilities, etc. due to being mixed. Scientific proof:
https://archive.fo/9JvAm