<prompt> True statement about orphan drugs:Drugs used for orphansDrugs used for rare diseaseEasily available drugsDrugs with excessive financial benefits  <response>: Ans. b Drugs used for rare disease Drugs which are developed specifically for rare diseases are called orphan drugs. These drugs are difficult to research, develop, and market due to lack of financial benefits. Because of this a separate law known as The Orphan Drug Acf was passed in 1983. Examples include deferipirone to treat iron overload in thalasemia patients, N-acetylcysteine to treatparacetamol poisoning etc. 