How do you test if someone is high?

When an individual blows into the breathalyzer, it can determine within a couple minutes whether there is alcohol, THC or both in the person’s system. Since THC is only present in someone’s breath during that peak two-hour window, the driver is considered impaired when it’s detected.

Can you tell if someone is a stoner?

You can usually tell if someone is a stoner if they: Smoke weed when they’re by themselves. Use the same language other stoners use when talking about pot. Smoke weed every single day, without fail.

How long does being stoned last?

Generally, the effect is strongest for about 10 minutes to half an hour after smoking cannabis, but if you smoke a lot, you may still feel stoned for a couple of hours. If you eat cannabis, the peak effects can last for 2 to 4 hours, and there may even be a few more hours before the effects wear off completely.

How do you know if your kid is high?

Signs Your Teen Is High

Your teen may have red, bloodshot eyes. Your teen could be very giddy or very tired, depending on when they got high. Your teen may be paranoid or anxious. They may get the “munchies” and be hungry for anything they can get their hands on.