Final answer:
The leading cause of death among HIV-infected people is opportunistic diseases, which take advantage of the weakened immune system caused by HIV.
Step-by-step explanation:
The leading cause of death among HIV-infected people is opportunistic diseases.
Due to the weakened immune system caused by HIV, opportunistic infections and diseases that would not normally affect healthy individuals can easily develop and lead to serious complications.
These opportunistic diseases take advantage of the weakened immune system to cause illness and are typically the immediate cause of death in people with AIDS.