Don't lose weight too much! Women who are too thin can easily get these 7 diseases

"Body mass index" BMI is an internationally recognized measure of body shape, usually using weight kilograms divided by the square of height meters. An index between 18.5 and 25 is considered healthy, below 18 is too mild, and below 17 is considered malnutrition. At present, the average height of a French model is 1.75 meters, weighs 50 kilograms, and has a BMI of 16. However, due to strong protests from modeling agencies, the current decree does not clearly state the minimum BMI standard for models. Instead, doctors decide whether the model is healthy based on his weight, age and body shape.

Under normal circumstances, a woman's normal sexual characteristics can only be maintained when the fat content in her body exceeds 22%. Because fat is an important place for the production of estrogen in women's bodies, the estrogen converted in this way in mature women accounts for one-third of the total estrogen in the body.

When women are too thin, in addition to easily becoming dry and losing their skin luster and elasticity, they are also prone to a series of unhealthy factors, which will urge older women.

Gastroptosis When the human body is excessively thin, the abdominal wall in the body is relaxed and the abdominal muscles are weak, resulting in relaxation and weakness of the muscles and ligaments that suspend and fix the stomach, and the abdominal pressure drops. As a result, the physiological position of the entire stomach will be reduced and gastric peristalsis will be weakened., causing gastroptosis.

Gallstones Many women do not eat breakfast and decide to implement a weight loss plan from the first moment they wake up. The consequence of not eating breakfast for a long time is likely to be suffering from gallstones.

Without sufficient fat protection, uterine prolapse can easily fall from its normal position, causing uterine prolapse, and in serious cases may lead to cervical infection.

Infertile women must have a body fat percentage of at least 17% to maintain a normal menstrual cycle, which is the minimum fat standard for them to be able to conceive, deliver and breastfeed healthily in the future. If there is too little body fat, the synthesis of estrogen and its concentration level in the blood will be affected, resulting in insufficient estrogen levels, which is one of the key criteria affecting women's fertility.

The incidence of hip fractures is much higher in women with osteoporosis and underweight than in women with standard weight. This is due to insufficient estrogen levels in people who are too thin, which affects the integration of calcium and bone and cannot maintain normal bone density.

People with anemia and emaciation generally have the problem of unbalanced nutritional intake. The intake of hematopoietic substances such as iron, folic acid, and vitamin B12 is insufficient, which can easily cause anemia. It is undeniable that a woman is truly beautiful when she looks good. Thin women often have yellow and thin faces, and their faces are like vegetable color. How can such a gray state be beautiful?

The main components of hair loss are protein and trace elements such as zinc, iron and copper. People who are too thin have insufficient supply of fat and protein in their bodies, so their hair falls off frequently and loses its luster.

A simple method for measuring obesity

The most home-based test: Stand straight between waist and hip, separate your feet by 30 to 40 cm, and measure the waist circumference of the narrowest part of the body and the hip circumference of the widest part of the body, accurate to 1 mm. Then calculate the waist-to-hip ratio. The female ratio is> 0.85, which is technically called abdominal fat accumulation.

The easiest test: skin-fold thickness Use your thumb and index finger to pinch the skin, and then use a ruler to measure the thickness of the double-folded skin. It is best to pull the lower corner of the scapula and the lateral deltoid muscle of the upper arm. Men and women with a sum greater than 51 mm and 70 mm can be considered obese.

The most basic test: IBW standard weight kg = height cm-100, male × 0.9, female × 0.85. More than 10% of the standard weight is overweight, and more than 20% of the standard weight is obese.