The invention of bras has undoubtedly made women’s upper curves more upright, making them more energetic and confident, looking more sexy and attractive, and attracting the attention of the opposite sex. However, there are reports that wearing a bra can affect the quality of sleep and endanger the health of the breasts, with reports indicating that those who wear a bra for more than 12 hours a day are 20 times more likely to develop breast cancer than those who wear no underwear for a short period of time. In this month’s “World No Bra Day”, there are many celebrities leading the way without bras, calling on more women to care for their breasts and liberate them, wearing them is better than not wearing them but not for too long Bras themselves are harmless, just like the clothes they wear, and the right bra is naturally helpful for the breasts. The support and fixation of the breast mainly relies on the role of two aspects, one is as the internal fixation of the breast Cooper ligament, which connects the gland with the skin and keeps the shape; on the other hand is as the external fixation of the bra, mainly to help support the breast, the two synergistic action to prevent back and waist discomfort and sagging of the breast, but also to prevent the shaking of the chest when walking or running. In addition, the right bra can not only support and support the breasts, protect the blood circulation of the breasts, but also protect the nipples from abrasions and bruises. For women in labor, a proper and clean bra not only increases the amount of milk, but also prevents mastitis due to milk gathering infection. However, wearing unsuitable bras can cause many physical discomforts, such as curvature of the spine, back pain, poor breathing, breast skin abrasions, breast pain, etc. The situation is more serious for women with full breasts. Although wearing the right bra is effective in protecting the breasts and spine, but the bra is not worn 24 times. Wan Yunle points out that generally wear ordinary bras for about 8 hours a day, preferably not more than 12 hours. It can be worn for a short time when not in public or when not exercising. For women with small breasts, you can give your breasts a break for 1 day in 10 days or 1 week; for women with full breasts, it is best to wear a bra for about 2 hours on your day off. Steel ring is better than non-steel ring bras There are various types of bras on the market, but everything is the same – in principle, they are divided into steel ring and non-steel ring, how to choose between these two? The steel ring of a bra is its base point, with strong support, it is necessary to choose the right steel ring bra according to your shape. However, a steel ring that is not suitable for the bottom edge of the breast (usually smaller than the bottom edge of the breast) will directly change the shape of the bottom edge of the breast, and also change the shape of the breast. Long-term compression can also lead to “flat” breasts. The bra ring and the bottom edge of the breast arc curvature to match, the nipple is located in the cup peak point, is the most basic criteria for the selection of bras. Shapewear should not wear too long for the current market is very hot shapewear underwear, Wan Yunle pointed out that shapewear at the same time, but also easy to appear such as chest tightness, shortness of breath, pain and some other symptoms of discomfort, wearing must not exceed 4 hours a day. For the current women in pursuit of “great chest”, the use of concentrated bras to squeeze the two breasts to the middle of the “career line” to the phenomenon, in fact, this is very bad for the chest, a lot of pressure on the chest, and even skin indentation or mammary gland pressure bruising, for The blood circulation around the breast is greatly affected. In fact, the small chest does not matter, proportional can look good, so do not just pursue the “career line”! Wearing bras precautions 1, there are many types of bras on the market, you should choose according to your body shape, fat and thin, season and breast development, and to choose soft, breathable, moisture-absorbent cotton products is good. 2, do not wear a bra when you sleep. If you wear a bra for too long during the day, you can massage your breasts properly before going to sleep to promote blood circulation. 3, the cumulative wearing time of the same bra up to 6 months. If the breasts are fuller women, wear time should be shortened to 3 months, wear longer time will be unable to support the protection of the chest because of deformation. 4.Change the bra model and style according to the changes of your body: Generally, the body has a change cycle every 10 months, and there may be small changes every 3 months, so you cannot choose the same model and size bra to wear year after year. 5, each through a day on the bra are about 0.1 grams of excrement residue, these residues contain hundreds of millions of bacteria, if you continue to wear the next day, not only affect the health of the skin, but also will seriously affect the health of the breast, and even through the nipple blockage infection of the mammary gland ducts, causing mastitis, it is recommended to replace every day, wash every day. 6, when buying and trying on bras, please do not rush, after wearing it, please spend another 10-15 minutes to carefully experience, while feeling its effect on the body, and then make a decision.