The secret of the female breast 13 strange news

  1. The older you are, the more fat there is in your breasts.
  In your 20s, your breasts are made up of fat, mammary glands and collagen. As we get older, the mammary glands and collagen will gradually be replaced by fat. Unfortunately, the large amount of fat does not make the breasts appear larger, but rather increases the sagging of the breasts.
  2. There is uncertainty about breast size.
  Breast size varies from person to person, and the size of the breast varies greatly from one person to another at different ages. The direction of the breasts also varies greatly, with some breasts leaning together and some leaning to the sides respectively. The average weight of a woman’s breast is 1.1 pounds (about 0.5 kg), accounting for 4-5% of the total body fat.
  3, human breasts are getting bigger.
  Due to factors such as nutrition and the environment, women with full breasts are becoming increasingly underage. The average size of the current U.S. female breast is 36D, while 15 years ago only 34B.
  4, women have an average of 2-15 dark hard hairs by the nipple.
  The darker the skin and hair color, the darker the color of the hair on the breasts.
  5. Breasts are the most tumor-prone part of the human organism.
  Breast cancer is the most common tumor in women worldwide. From the 1940s to the present, the incidence of breast cancer has doubled and is still on the rise.
  6. The skin around the breast is very thin.
  To maintain the moisture of the skin in this area, you can use creams to improve elasticity, but also to protect against UV rays, otherwise the breast is easy to grow wrinkles, nipples will also become dry.
  7, the breast will also “erection”.
  When sexually aroused, and the male penis erection, female breasts will also increase. The average length of female nipples when erect is 9.65 mm, equivalent to the thickness of five coins.
  8, even with a swimsuit, the breasts may be sunburned.
  Most swimsuit fibers have a sun protection index (SPF) of only 5-7. Therefore, before swimming, the breasts should be slathered with sunscreen with an SPF of at least 15.
  9, sleep on your back the most damage to the breast.
  Long-term face-down sleep, women’s breast tissue will be squeezed too much, resulting in premature aging of the breast, sagging skin, breast deformation and expansion. The best sleeping position to protect the breast is to sleep on your side, and a pillow under the breast.
  10, the breast monthly cycle changes.
  Due to hormonal changes, the breasts are smoothest just after menstruation for a period of time (this is the best time to go to the hospital for examination). High hormone levels in the middle of the period, the nipple sexual sensitivity is the strongest. Progesterone levels are high during menstruation and breasts may appear sensitive, sore or swollen. Breasts and areolas will become larger during pregnancy.
  11, to protect the breasts when exercising.
  Sports bras must maintain a certain degree of elasticity to reduce the damage to the breasts from exercise and reduce breast pain. Push-ups and chest expansion exercises help exercise the pectoral muscles, making the breasts more upright.
  12, breast augmentation is the number one plastic surgery.
  The United States breast augmentation women more than 2 million, fake breast at least 4 million. The average age of breast augmentation is 34 years old, and 90% of people wait until after they have children to have breast augmentation. This year is the 50th anniversary of the first silicone breast filler surgery completed in Houston, Texas, USA.
  13, breast lactation ability is amazing.
  Breast milk is rich in beneficial bacteria that can protect the newborn’s intestinal tract like a vaccine. Breastmilk contains between 1-600 species of bacteria. Most of them are new to scientists. Breast milk contains endogenous cannabinoids, the substance on the one hand can make babies drink milk “addiction”, and on the other hand to prevent babies from drinking too much milk.