Breast size is determined by a combination of factors, including genetics, hormones, pregnancy, breastfeeding, and weight gain. Breasts are made up of fatty tissue, glandular tissue, and supportive tissue, with fatty tissue largely determining the size of the breasts. Therefore, putting on body fat can increase breast size. Age can also impact breast size, with some data showing that 61% of people notice a change in breast size after menopause. However, there are no foods or diet plans that have been clinically proven to increase breast size, and no supplements, pumps, or creams that can make breasts larger.
While exercise wont make breasts fuller, the right exercises can be effective for developing the pectoral muscles underneath the breasts, as well as the back and shoulder muscles, which can help the breasts appear larger, higher, and firmer. Some exercises to try include chest development exercises and posture exercises.
There are also alternative methods that claim to enlarge breasts, ranging from push-up bras and self-massage to creams, pills, and pumps, but their effectiveness varies. It's important to note that the only way to permanently change breast size is through cosmetic surgery, which comes with its own risks and expense.