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When parasites grow, reproduce, or invade organ systems it results in a parasitic infection in the host. Learn how to recognize and treat a parasitic infection.
Nicotine addiction occurs when a person becomes addicted to nicotine, which is a chemical found in tobacco. The addiction is physical, mental, and behavioral.
Obesity is an epidemic in the U.S. This condition puts people at a higher risk for serious diseases, such as type 2 diabetes, heart disease, and cancer.