What's wrong with nail bending inward?

Nail bending inward may be caused by a lack of nutrients. Nail can reflect the health of the body to a large extent, if the nail texture is soft, and there is a tendency to bend, it indicates that the body may lack trace elements, because trace elements can promote nail formation, lack of trace elements will make nail texture worse. It is recommended that such patients go to the hospital for trace element examination to find out which trace elements are missing, and take targeted drugs or diet conditioning to improve symptoms after identification.