Related Clues:

• Hormone affecting metabolism
• One to quit troubled Dáil Eireann — that causes rush!
• Hormone from kidneys -- there's a row about that
• Hormone released on a roller coaster ride
• Cause of some rushes
• Certain junkie's stimulus
• Ace Doctor Sharples approach: a shot in the arm?
• Daniel ran off, stimulated by this?
• Something released while skydiving
• A medic seen regularly at a queue for hormone
• Fight-or-flight hormone
• A doctor and nurse at the front of a queue for certain medication
• Leading astronaut Aldrin excited to tour space, producing this?