The mystery of the human body is vast and profound. Traditional Chinese medicine (TCM) believes that as fingernails and toenails are connected to the viscera through the meridians, monitoring their condition can help to interpret health signals of the body, and provide an early response to and relief of physical illnesses.
Jonathan Liu, a TCM practitioner and a professor of traditional Chinese medicine at Georgian College, Canada, explained the insights behind nail observation on the show “Health 1+1.”