Can a blood test show that I smoked?

This may sound really stupid but, does weed show up in a blood test?

How soon on a blood test will it show up on beng pregant

Can you pass a blood test for thc and how

Ok, so I went to the doctors a while ago because of irregular periods, and she said if it doesnt get more regular then I will...

I'm having a blood test next week - if I don't drink or smoke in that week before the test will the nicotine or alcohol show ...

How soon can you take a blood pregnancy test for an accurate result? Do you have to wait until the first day of your missed p...

How soon can a blood pregnancy test detect pregnancy? I heard it was like a week into conception it can detect pregnancy is t...

If the blood test says I am not pregnant then why have I missed my last two preiod and why do I feel like my tummy I getting ...

Hey, just wondering if it ok to drink alcohol the day before a blood test

I have alrdy passed urine test 4 pot now my doc said I am 2 submitt blood 4 glucose testing.problem is when I saw parts on th...