Cannabis is the most common illegal drug used by youth.
Asprin should be right up there as a common pain reliever.i think the most common drug used is marijuana.Some of the most commonly used hallucinogens are LSD or psilocybin depending on the region.
Marijuana
tobacco and alcohol
While not often thought of as a drug, caffeine is the most commonly used drug in America. Ethanol (alcohol) and nicotine (in tobacco products) are the next most commonly used. As for illegal drugs, cannabis is the most widely used.
weed. fa getting through the day!
First of all It's called Euthanasia! Most common drug used is Pentabarbital Sodium or Nembutal Nick Kler
Urinalysis or urine drug testing, is the most common type of drug testing, because it is used the most commonly by companies, so it is the most common used in mass and thus in total.
marijuana,exstacy,and cocaine are the most common used drug by teenagers
The drug most teens get an overdose on is alcohol. Alcohol is the easiest and the least expensive drug to get. Teens could get a fake ID and get it.
It will depend on the chemical structure of the drug and the rate of metabolism. The most common isotopes that are used to "tag" drug molecules are tritium (3-H), carbon-14 (14-C), and phosphorous-32 (32-P). Other isotopes are also used, but these are probably the most common.
Alcohol is the most used legal drug. Of Illicit drugs the most widely used drug is cannabis.