Which is the term for the state in which someone needs more of a drug to produce the same effect?

they need it to survive

explanation:

answerrunning;

during longer space exploration trips, crewmembers may develop vision impairment risks and short-term cardiac atrophy or a decrease in the size, strength, weight, and activity of the heart during space flight because they can experience microgravity. in addition, the long-term medical condition is loss of bone mineral density and radiation exposure.