What are the most addictive drugs on Earth?

The answer depends on whom you ask.

Fentanyl is now the deadliest drug in America

Just a few grains of the substance can kill.

Teen alcohol and hard drug consumption reaches new lows – but not marijuana

Teenagers’ use of hard drugs, alcohol and tobacco in the US has gone down significantly in recent years.

Heroin overdose kills four times as many people as in 2000

Since 2000, the number of deaths from heroin overdose have quadrupled. At the same time, the profile of the average overdosed fatality has shifted from older back men to younger white males, according to the Centers for Disease Control and Prevention (CDC).