In the first instalment of a four-part Health Matters series on traditional Chinese medicine, Lisa Cam and Ashlyn Chak explore how a new generation of health-conscious youth is discovering century-old leung cha and helping neighbourhood tea shop owners safeguard a dying trade.Long before modern chain pharmacies and over-the-counter painkillers were readily available in Hong Kong, there were leung cha: intensely bitter herbal “cooling teas” brewed in massive brass cauldrons in traditional...