What has been shown to be effective methods of controlling pain

A)  meditation and cannabis
B)  narcotics and hypnosis 
C)  hypnosis and stimulants
D)  narcotics and stimulants

Narcotics

Are substances that can lead to dependence and have pain relieving and sleep-inducing properties, often used in medical contexts but can be misused.

Controlling Pain

The process of managing or reducing the discomfort caused by acute or chronic pain through various techniques and treatments.

Effective Methods

Techniques or strategies that have been proven to lead to desired outcomes or goals efficiently.