A researcher wants to develop a new pharmaceutical compound to treat pain. Which of the following strategies will likely be the most effective process?

 

A. Test extracts from newly discovered plants for pain-killing substances.

 

B. Read anthropological studies to discover plants identified to relieve pain.

 

C. Study molecular structures of existing pain medications and make structural analogs.

 

D. Research the pain receptors of people who have unusually high pain thresholds.