Final answer:
The physical pain and intense cravings associated with heroin withdrawal are evidence of withdrawal. Drug withdrawal includes a variety of negative symptoms experienced when drug use is discontinued. In addition to withdrawal, many individuals who are diagnosed with substance use disorders will also develop tolerance to these substances.
Step-by-step explanation:
The physical pain and intense cravings associated with heroin withdrawal are evidence of c) Withdrawal.
Drug withdrawal includes a variety of negative symptoms experienced when drug use is discontinued. These symptoms usually are opposite of the effects of the drug.
In addition to withdrawal, many individuals who are diagnosed with substance use disorders will also develop tolerance to these substances. Psychological dependence, or drug craving, is a recent addition to the diagnostic criteria for substance use disorder.