1. "There is an illness which gices a bitter taste to the mouth and cannot be cured by acupuncture on the Yanglingquan point. What's its name and how is it formed?" the Yellow Emperor asks. There is a bitter taste in my mouth as if I've swallowed bile.

2. It's caused by the heat in the gallbladder channel.

3. The liver functions like a general who gets his orders from a higher authority -a role played by the gallbladder, and the throat is under the command of the liver.

4. Excessive contemplation or sadness will disable the bile and make it rise. So patients with dandan get a bitter taste in the mouth.
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