>>4350945Also the Japanese people themselves are a mixture between yayoi clan and Jomon native people which lived in Japan for up to 14,000 years. Reasonably genetically different, yet the Japanese are very healthy and intelligent and have the longest life expectancy in the world.
I am sorry but everyone is mixed to start with, and people continue to mix and it doesn't hurt anyone. In fact the highest rates of various diseases exist in people with no recent mixture which results in less genetic variation.
You do know how genetic variation came about right?
