 He explains that when the body is hot and sweating, the pores are open. If air conditioning is used to cool it down, the body's pores will contract, preventing the heat inside from escaping. This can lead to headaches, swelling, vomiting, and abdominal pain. Then he shares two clinical cases. One patient slept with an electric fan blowing towards their body from their feet and woke up on the fourth morning with facial paralysis.