Respuesta :
A(n) DRUG is a chemical substance used to treat, prevent, or diagnose a disease or alter one or more functions of the body.
Example: Tylenol (Acetaminophen), Is a Drug that is used to relieve pain, head aches, and reduce fever.
Hope It Helped. :)
Answer:
A(n) is a chemical substance used to treat, prevent, or diagnose a disease or alter one or more functions of the body.
Explanation: