A condition known medically as Macromastia, large breasts are caused by the overproduction of glandular tissue in the breasts and can be coupled with poorly positioned nipples. This concern often develops during puberty but gaining weight and hormonal changes can also be contributing factors, some things which can commonly be as a result of getting older.
Breasts that are quite large can also be quite heavy, causing the affected person to develop other conditions such as back pain, shoulder pain, poor posture and a rash or irritation in the crease below the breasts. The appearance of enlarged breasts can often be considered unattractive to the affected person and cause a lack of self-confidence regarding body image, impacting on personal / intimate relationships as well as finding difficulties with certain clothing.