The way that these substances can affect someone is different for each person and depends on the substance.

Mild effects can include dermatitis or eye and skin irritation.

Moderate effects include allergies, or viral infections caused by exposure to biological agents

Severe effects might include, someone being poisoned, or developing skin diseases or respiratory diseases, and even have reproductive problems that can lead to birth defects. Long-term or intense exposure can also cause diseases such as cancer.