When one uses stimulants such as cocaine and crystal meth, it has a short half-life, meaning that it takes effect rapidly, and the high one receives while on these type of substances are felt for a short amount of time, typically lasting between five and thirty minutes. When this happens, users at times partake in bingers, developing an addiction. Over time, these types of stimulants are known to chemically change the brain as well as develop behavioral normalities.