No
yes but if you've only hit the joint or bowl a few times in a week it wont show
..............Weed?
Um. Methadone and Weed would probably show up as Methadone and Weed.
all weed shows up no matter what
It's not weed it's botanical incense therefore containing no THC. It does not show up.
Weed definitely does. Beer does not.
No.
yes
The drugs you take.
Nope. They just make you feel flushed. There are no magic cures for doing drugs - if you smoke pot, it's going to show up on a test.
Food poisoning wouldn't show up in a drug test.
Generally only THC will show up as THC. So marijuana, hashish and the like will show up.