Related Clues:

• Regulatory substance produced in the body
• Take a lot of cash or money for messenger released from cell
• Possibly a growing factor helping to make author money
• Testosterone, e.g
• Chemical substance in hospital no more deployed
• Moorhen producing testosterone, possibly
• Training moorhen is a type of therapy
• Body regulator out of touch or moneyless
• Insulin, for one
• Growth secretion
• Substance like insulin
• The H of HRT
• Internal secretion — moorhen (anag)
• Insulin, say, moorhen might produce
• Melatonin, for one