You should also have regular tests if you are over 30 and have a close blood relative with glaucoma.

你也应该定期进行测试，如果你是超过30和有密切的血液相对青光眼。

The red juice that comes out of rare steak is not blood ?it is myoglobin a close relative of blood. Almost all the blood has been removed from a steak by the time it hits the market.

半生牛排中的红色汁不是血--这是肌血球素，也是血的近亲。

These for-profit companies lean heavily on the fear factor, encouraging parents to bank their baby's blood just in case a relative needs it one day.

这些以牟利为目的的公司大打以防万一这张牌，鼓励父母们储存婴儿脐带血，以防有一天某个亲戚会需要它。