The old man often have gua sha has two aspects of internal and external causes.
Internal causes: due to the elderly weak, lung qi insufficiency easy to heat or cold evil invasion of the human body, summer humidity, so easy to cause cold and dampness and dampness and heat, so the weak elderly easy to gua sha.
External causes: external causes are due to the environment, summer weather is hot, easy to heatstroke, summer, more wet, easy to cause dampness and heat, easy to get out of the Gua Sha. If blowing air conditioning improper or diet improper feel cold, will be transformed into cold and wet, and thus will also be Gua Sha.
Internal and external causes together, the elderly will be easy to send gua sha. Because of the dampness and heat, filth deposition of the body surface, meridians and collaterals do not pass, the phenomenon of Gua Sha occurs.
It is recommended that the elderly who often have Gua Sha go to a professional Gua Sha master for Gua Sha. If necessary, you can go to the hospital to take medication together with the treatment.