Why Is Cigarette Smoking a Major Health Problem in the United

question 40

Short Answer

Why is cigarette smoking a major health problem in the United States?

---

Definitions:

Nervous System

Organ system of humans that includes the brain, spinal cord, sense organs (eyes, ears, etc.), and associated nerves. Receives, integrates, and stores sensory input; coordinates activity of other organ systems.

Endocrine System

Organ system involved in the coordination of body activities; uses hormones as chemical signals secreted into the bloodstream.

Altruism

Social interaction that has the potential to decrease the lifetime reproductive success of the member exhibiting the behavior.

Dominance Hierarchy

A social structure within a group of animals where individuals are ranked according to their level of dominance or power.