Final answer:
Pesticides have limitations and can have harmful effects on human health, including various illnesses and diseases. The use of pesticides is more common in developing countries, where there is a higher risk of pesticide poisoning. Individual differences in metabolizing pesticides also exist.
Step-by-step explanation:
The limitations and human health effects of pesticides are significant. Pesticides can have acute and chronic health effects, including non-Hodgkin's lymphoma, leukemia, cardiopulmonary disorders, neurological symptoms, and skin diseases. The use of pesticides is often unevenly distributed, with developing countries experiencing a higher percentage of pesticide poisoning cases. Additionally, there are variations in individuals' ability to metabolize and resist the effects of pesticides.