Drugs act as positive reinforcers because they activate which pathway

Ventral tegmental region (VTA) includes cell collections of dopaminergic neurons anticipating to the core accumbens, amygdala, hippocampus, and prefrontal cortex. These neurons are fundamentally involved in cerebrum components of reward, support, and passionate excitement. Their action has been firmly corresponded to the accessibility of essential rewards, for example, nourishment, water, and sexual conduct.

answer; have joints that fail from excess by early the accumulated effects of unnoticed infections,all of these things are possible for a person born without the ability to feel pain;