While such genetic similarity usually has detrimental effects, in these hotspots it seems to have united and maintained genetic variants that predispose people to a long life.
这种遗传类似性通常具有害性，而在这些热点区域似乎是因它那些让人们易于长寿的遗传性变形才得以保持延续。
Turtle is on land and water can usually be life, also have long time in living in the sea turtles.
龟是通常可以在陆上及水中生活，亦有长时间在海中生活的海龟。
It may last for life long. Different age has different clinical features. At age 5, it usually affect the elbows and behind knees.
它会持续一生，不同年龄会有不同的临床表现。在5岁时，常发生在肘部和膝的背面。
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