In Which Way Is Methamphetamine Different from and More Dangerous

In which way is methamphetamine different from and more dangerous than other mood-altering substances?

A) The drug itself is highly combustible,so both makers and users have suffered severe burns when injecting it
B) Methamphetamine helps users become more productive and energetic,so people find it helpful at work and home and want to continue using it
C) It provides more pleasurable effects more quickly than other mood-altering drugs,so persons become addicted more quickly
D) Severe neurological changes occur in the brain very quickly,often even with the first dose.