After losing weight, although the fat is reduced, the overall muscle rate is lower, resulting in loose meat. This kind of weight loss only temporarily reduces a little weight through dieting, and once it returns to its usual diet, it will rebound immediately.
Losing weight too fast will lead to the consumption of fat and water too fast, so that the contraction of the skin can not keep up, so it will appear slack and produce a feeling of fluffy meat. Skin elasticity can be restored by proper aerobic exercise and diet.
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Disadvantages of losing weight too fast:
1. Yo Yo syndrome
Generally, fast weight loss can make people lose 5- 10 kg in a short time, but the weight lost in a very short time is easy to rebound, even heavier than the weight before weight loss, and it is more difficult to rebound to the ideal weight after weight gain. The weight is up and down, just like a yo-yo, up and down, which usually happens to habitual dieters many times. Excessive weight loss in a short time, such as 10 day loss 10 kg; Lose 5 kilograms in 3 days, etc. Early weight loss is the loss of body water, followed by the reduction of muscle and adipose tissue. Of course, you will lose weight, but when you gain weight, you will return to your body in the form of fat. After regaining weight, you will lose weight again, but it will be more difficult to lose weight every time, resulting in a vicious circle and higher body fat.
2. Decreased metabolic rate
Rapid weight loss will lead to a decline in metabolic rate, which is also the reason why it is easy to gain weight again. Generally speaking, people who lose weight can quickly supplement their daily needs through low-calorie diet or diet, diet food, etc. In order to achieve the goal of losing weight in a short time. When they lose weight to the target weight and return to a normal diet, although they still pay attention to calorie intake, they will still gain weight and gain weight. Actually, it's because the metabolic rate has decreased. The basic metabolic rate of human body is needed for physiological operation and life-sustaining phenomena (such as heartbeat, respiration, gastrointestinal peristalsis, etc.). ), and maintaining the above demand is the basic heat consumption of the human body. However, people who want to lose weight quickly usually consume too few calories. When the calorie intake is lower than the basic needs of the human body, in order to maintain normal physiological operation, the human body will adjust the metabolic rate and reduce the metabolic rate to reduce the basic calorie consumption of the human body. At this time, if the normal calorie intake is restored, that is, when the normal diet is restored, it will be due to metabolism.
3. Weakened resistance
Due to low calorie intake, unbalanced nutrition or insufficient nutrition intake, rapid weight loss leads to protein decomposition of muscles and poor physical strength. When the raw materials for making lymphocytes are insufficient, the output of lymphocytes is reduced, and of course, the resistance is weakened, and it is easy to catch a cold, backache and so on.
4. Irregular menstruation
Lose weight quickly in a short time. For women, the most obvious physiological early warning index is menstrual cycle. The normal menstrual cycle is 28 ~ 30 days. Although it varies according to individual physique, it will maintain a stable cycle. However, in the case of sudden weight loss, the menstrual cycle is most often chaotic and irregular, and there will be no menstruation in severe cases. These are all due to improper weight loss methods, which have an impact on hormone metabolism, leading to menopause or menstrual disorder.
5. It is easy to lose hair and get worse skin.
Fast weight loss is mostly due to insufficient nutrient intake, which leads to abnormal metabolism in the body, and serious hair loss, yellow hair color and dry hair. Moreover, the skin will get worse due to insufficient nutrition or abnormal hormone metabolism, become rough and prone to acne.
6. Organ dysfunction
In the case of long-term hunger, due to the insufficient intake of calories and nutrients, coupled with a large amount of water loss in the body, muscle protein decomposition, it is easy to cause temporary liver and kidney dysfunction, and because of repeated weight loss and decreased metabolic rate, it affects gastrointestinal function, and it is easy to have adverse consequences such as indigestion or gastrointestinal diseases.