Possible Clues:

• Almost slight case of indigestion? This affects metabolism
• Drug and endless drink — one litre knocked back entering pub
• Abuse mostly coming with popular hormone
• Hormone used for treating diabetes
• Hormone abuse with temperature dropping at home
• Hormone for treating diabetes
• Diabetic treatment mostly degrading when temperature’s out
• Hormone abuse endlessly popular
• Diabetes drug
• Hormone produced by the pancreas