如果間中有「飲酒」，「驗血」可否驗到呢？

但係如果兩日前飲，驗血可否驗到呢？
NO!
hey, your liver is working and will do the detoxination.

我知道如果有「飲酒」，即時驗血係可以驗到嘅 (yes, sample must be treated as soon as possible, or cannot detect already.. the alcohol will evaporate!)

可以驗到..................

頭髮可以驗到...