I. Is tight underwear harmful to breasts?
The advantage of tight underwear is that it can make the breasts look smaller. At the same time, some businesses promote bamboo charcoal tight underwear to be breathable and breathable. Comfortable, but not all tight underwear is good. Everyone should recognize the dangers of tight underwear and decide whether to buy it or not.
Girls just entering puberty grow physically, but this can be a little uncomfortable or shy, especially when you watch your breasts gradually bulge, feel a little afraid to walk, and want to wear tight underwear to cover. But this practice is harmful to the body! In the stage of puberty, girls should not wear tight underwear, which is very harmful to the development and health of girls.
When wearing tight underwear, the heart, lungs and large blood vessels are compressed during chest control, affecting the normal development of the human internal organs. The chest affects breathing function. Under normal circumstances, the two breathing actions of chest breathing and abdominal breathing are coordinated, but wearing tight underwear will affect the pneumatic breathing of the chest, so that the chest cannot be fully expanded, the lung tissue cannot be fully stretched, and the air intake is reduced, thereby affecting the supply of oxygen to the whole body .
Second, Can you wear tight underwear for running?
It is okay to wear tight underwear for running, it can fix the chest well, and it will not shake when running, which not only increases the comfort of our running It also keeps the chest in good shape. The benefits of wearing bodysuit
 s for running are as follows:
1. Warmth
The bodysuits are close to the surface of the skin, so It will blow air from the inside of the trouser legs. In autumn, especially in winter, it can play a basic role in keeping warm. If you feel that it is not warm enough, you can also add a pair of loose sweatpants outside.
2. Lightweight and close-fitting
The tights are completely close-fitting, so you don’t feel a little burden during running, but when you wear a pair of tights alone, The curve of the entire lower body is exposed and the shape is more eye-catching, so many people wear a pair of shorts outside when running.
3. Quick-drying and perspiration
Tights are generally made of stretchy, quick-drying fabrics, so sweat-wicking and breathability are also excellent. In winter, after the sweat is discharged, it will air-dry on the surface of the fabric, and the fabric also acts as an insulating layer to prevent the sweat from taking away the body surface heat when it is air-dried by the cold air. Therefore, it can play a role in regulating body temperature during exercise, and it can also replace long johns and become a warm layer for exercise.