Which category of toxicants can affect the immune system?

• A. Nutraceuticals
• B. Immunotoxicants
• C. Neurotoxicants
• D. Metallotoxicants

Answer: (B)

Immunotoxicants are a specific category of toxicants known for their ability to adversely affect the immune system. These substances can impair immune function, alter immune responses, or induce allergic reactions, leading to increased susceptibility to infections and diseases, as well as a range of autoimmune disorders. This effect is particularly concerning because the immune system plays a critical role in protecting the body against various pathogens and diseases.

In contrast, other categories of toxicants, such as nutraceuticals, neurotoxicants, and metallotoxicants, have different primary effects. Nutraceuticals are generally considered beneficial for health rather than harmful; neurotoxicants primarily target the nervous system; and metallotoxicants involve heavy metals that can lead to various toxic effects but are not specifically aimed at immune system disruption. Therefore, the classification as immunotoxicants is crucial for understanding their impact on health, particularly in relation to immune system functionality.