Final answer:
Withdrawal from amphetamines takes approximately six to eighteen weeks. It involves enduring negative symptoms as the body adjusts to the absence of the drug, and the process extends well beyond a few hours.
Step-by-step explanation:
The withdrawal from amphetamines is not a short-term process and can lead to a variety of negative symptoms when the drug use is discontinued. These negative symptoms are part of what's known as withdrawal, which can last much longer than the immediate effects of the drug. The correct answer to the question 'Withdrawal from amphetamines takes approximately' is D. six to eighteen weeks. During the withdrawal period, individuals may experience a tolerance state, where there is a need for increasing quantities of the drug to achieve the previously obtained effects. Amphetamines are also associated with heightened wakefulness, characterized by high levels of sensory awareness, thought, and behavior when the drug is actively in the system. Understanding the amplitude and frequency of use can affect the duration and severity of the withdrawal process. Amphetamine withdrawal duration goes beyond mere hours and requires an extended period for the body to adjust to the absence of the substance.