Which of the following is a common substance that leads to addiction?

Heroin is a common substance known for leading to addiction due to its powerful effects on the brain and body. It is an opioid that binds to specific receptors in the brain, producing intense feelings of euphoria and relief from pain. This extreme reward response can create a strong urge to continue using the drug, which can quickly develop into physical and psychological dependence. The withdrawal symptoms associated with heroin addiction can be severe, further perpetuating the cycle of addiction as individuals seek to avoid discomfort. The prevalence of heroin use, along with its addictive potential and the difficulty associated with recovery, underscores its role as a substance frequently linked to addiction.

In contrast, substances like calcium, glucose, and vitamin D are essential nutrients that play vital roles in bodily functions but do not have the psychoactive properties that lead to addiction. They do not interfere with brain chemistry in the same way that substances like heroin do, which is why they are not associated with addiction.