2. To wear appropriate underwear, the bra must be suitable for the chest. If the bra is too big, it can't effectively hold up the breast, which will lead to breast muscle relaxation and long-term sagging. At the same time, in order to prevent the breast from slipping, it is too tight and the blood circulation is not smooth, which is not conducive to the health and development of the breast.
3. protein, vitamins and trace elements in the diet can promote the normal development of breast. There are also beans, which can supplement estrogen and are good for the body.