Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Young syndrome ?
    ### Response:
    Young syndrome is a condition whose signs and symptoms may be similar to those seen in cystic fibrosis, including bronchiectasis, sinusitis, and obstructive azoospermia (a condition in which sperm are produced but do not mix with the rest of the ejaculatory fluid due to a physical obstruction, resulting in nonexistent levels of sperm in semen) .
    