Have you ever heard a Chinese friend said he/she got ‘Shang huo’(上火)? The direct translation of ‘Shang huo’ is ‘got fire/heat.’ However, this is apparently not the actual meaning of it.   ‘Shang huo’ is a unique concept in traditional Chinese medicine (TCM). According to TCM, you should have balanced 阴Yin(cold) and 阳Yang(hot) for perfect health. Yin and Yang are two…