Methamphetamine is a highly addictive type of amphetamine that has become increasingly widespread. Its popularity is partly due to its accessibility and low cost, as it can be synthesized from readily available ingredients like pseudoephedrine, a compound found in many over-the-counter cold and flu remedies. Despite laws designed to restrict access to such precursors, methamphetamine remains a popular drug option. It is often available in a potent, smokable form known as 'crystal meth,' which is particularly addictive because it rapidly enters the brain, creating an intense but brief euphoria that encourages repeated use.