Question

Darryl has been a cocaine addict for over three years. He is a regular user of the drug. His body is now habituated to the drug, and hence he requires twice as much cocaine as he did initially to achieve similar effects. In this scenario, Darryl is displaying __________.

Answer 1

Answer:

Tolerance

Explanation:

Tolerance -

It is the effect of certain amount of activity or object to the body or to the environment , without damaging the body or the environment , is referred to as tolerance.

As, consuming certain amount of alcohol , does affect the human body abruptly , is the tolerance .  

Similarly , from the question,  

The tolerance level of Darryl has increased by excessive consumption of cocaine, and hence now require atlest the double of it amount , in order to the drug , to affect the body.