What are the benefits of jade to people's health?

Jade contains many trace elements beneficial to human body, such as zinc, magnesium, iron, copper, selenium, chromium, manganese and cobalt. Wearing jade can make trace elements absorbed by human skin, activate cell tissue and improve human immune function. Wear and use jade articles (such as jade bracelets, necklaces, rings, jade mats, jade pillows, etc.). ) Because of the friction between skin and acupoints, it often has adverse effects on meridians and blood vessels.