One of the best things you can do for your breasts is to wear a well fitting bra. A well chosen bra which fits well makes you feel great, flatters your figure and prevents your breasts from sagging.
During puberty your breasts can grow rather quickly, depending on the oestrogen. A simple way to find out if you should wear a bra is the depth of the fold under your breast. When you are able to hold a pencil with this fold you should start to wear a bra. When your breasts reach a certain weight they need support. Did you know that a size 75 / 34 B already weights 250 gr?
If you do sport it's very important to wear a bra. During jogging or similar sports your tendons have to take the whole weight of your breasts every 2 seconds. Therefore you should wear a special sports bra with enough support.
Many women do not ask for specialist advice when they buy a bra. Over many years they buy the same size without knowing if it's really the right size. Many women buy a bra without trying, with the result that the bra doesn't fit well or doesn't give the necessary support. Did you know that around 80% of women wear the wrong bra size? And secondly wearing the wrong bra size for a long time can cause pain.