Which statement accurately describes what a poison is?

A poison is defined as any substance that can cause harm to a person by its chemical action, which may interfere with normal bodily functions. This definition encompasses a vast range of substances, including chemicals, drugs, and even natural toxins, that can lead to detrimental health effects ranging from mild symptoms to severe illness or death, depending on various factors such as the dose, route of exposure, and individual susceptibility.

Understanding this concept is crucial for recognizing how different substances can act as poisons under various circumstances. For instance, while some substances are overtly recognized as harmful, others may be benign or even beneficial at small doses but become poisonous at higher concentrations or when misused. This comprehensive view aligns with the definition provided, emphasizing the chemical action of a substance as the determining factor in its classification as a poison.

The other statements lack the accuracy or breadth of definition necessary to fully encapsulate what a poison is. While some toxins can indeed be harmful, not all toxins interact with the human body in a way that results in poisoning, because the degree of toxicity can vary significantly. Moreover, although a significant portion of poisonings may be intentional, many are accidental and do not necessarily correlate with homicide or suicide statistics. Lastly, while medications are a common cause of