Possible Clues:

• ___-Town (Windy City)
• X, to Xenophon
• Acupuncturist's concern
• O'Hare's loc.
• In Chinese medicine, the life force inherent in all things
• Acupuncture force
• McBride of "Hawaii Five-0"
• Acupuncturist's life force
• "Sweetheart of Sigma ___"
• X, to Hippocrates