Gua sha has been used in China to treat acute and chronic hepatitis. Upregulation of the enzyme HO-1 through gua sha results in decreased virus replication as well as protection from oxidative damage (Zhu et al. Heme Oxygenase-1 suppresses hepatitis C virus replication and increases resistance of hepatocytes to oxidant injury. Hepatology, 2008; 48(5) (November)1430-9)… Continue reading