Weight Loss Decisions: Who Needs to Lose Weight and the Truth About Rebound Weight Gain

2026-04-29

**When is weight loss necessary?**

If you fall into any of the following nine categories, you need to lose weight.

(1) The weight exceeds the Chinese standard for obesity.

(2) Overweight individuals under the age of 40. The younger the age at which weight gain occurs, the greater the likelihood of becoming a "very obese person" in the future.

(3) Overweight individuals with high blood lipids and cholesterol.

(4) Centrally obese individuals whose waist circumference is greater than their hip circumference. If you have significantly increased abdominal fat, you are more prone to coronary heart disease.

(5) Women who are unable to conceive within two years of marriage and are obese to grade II or above should consult a doctor to see if their infertility is caused by obesity so that they can lose weight in time.

(6) If you have hypertension, coronary heart disease, diabetes or stroke and your weight is grade II obesity, you will have better therapeutic effects if you lose weight while treating the disease.

(7) Obesity not only makes it more difficult to cure fatty liver, but also leads to chronic hepatitis. Therefore, if you have fatty liver or chronic hepatitis and your weight is grade II or above, you should consider losing weight.

(8) Since obesity may be caused by genetics, if parents die from obesity-related diseases or have a family history of stroke, myocardial infarction, etc., weight loss should be considered.

(9) If your doctor recommends weight loss, it is best to follow their advice and discuss appropriate weight loss methods with your doctor.

Why do weight rebounds after weight loss?

Rebound weight gain refers to the recurrence of obesity after successful weight loss. Regardless of individual, if energy intake exceeds energy expenditure, the excess energy will be stored as fat, leading to weight gain. This mechanism is unrelated to the frequency or method of weight loss.

The rebound can be attributed to the following three main reasons:

**1. Using the wrong weight loss method**

The weight loss you're taking is only water, not fat. As soon as you stop taking the medication and start rehydrating, your weight will naturally return. This is most common among people who take weight-loss products that cause diarrhea. Even worse, not only will your weight loss efforts be lost, but it can also cause significant harm to your body, such as electrolyte imbalances.

**2. The weight loss cycle has not been completed.**

Fat has a kind of memory; it resists external changes and tries to revert to its original form. Some people see initial results in their weight loss journey and believe they've reached their goal, so they stop dieting. However, this is precisely the crucial period that determines the success of weight loss. Weight loss products and exercise programs usually require a course of treatment. If the prescribed course isn't completed, the fat will rebound, rendering all your efforts futile. For example, a course of treatment with a product like QuMei lasts three months, with different goals each month. The first month is to allow the body to adapt to the weight loss process (some people may not feel the difference), the second month is for intensive weight loss, and the third month is for maintaining the results. All three months are essential; you must not stop prematurely.

**3. Unhealthy Lifestyle Habits**

Some people think that once they lose weight, they can rest easy, so they overeat, never exercise, and can't burn off the energy they absorb, so they become obese again.

Who is prone to a rebound?

The following groups are most prone to experiencing weight regain after weight loss:

**1. Those who use drugs for rapid weight loss**

These people hope to achieve rapid weight loss in a short period of time, and often use diarrhea as a method. They lose water but the fat remains, which not only fails to achieve the goal of weight loss, but also easily leads to rebound.

**2. Those who use starvation diets to lose weight**

You can lose weight by not eating, right? Many people even give up food to lose weight. But you can't live without food and drink for a long time. Not only will you miss out on delicious food, but once you start giving in, all your efforts will be wasted.

**3. Those who blindly diet without identifying the cause of their obesity.**

There are many types of obesity, such as simple obesity and pathological obesity. Only by treating the root cause can good weight loss results be achieved. Blindly trying to lose weight should be avoided.

**The Dangers and Prevention Methods of Rebound**

Rebound weight gain can be very harmful. It can disrupt the relative stability of the nervous system, reduce the body's immunity, increase the probability of heart disease, cause people to lose confidence in weight loss, cause large mood swings, and affect their studies, work, and life.

Over 80% of dieters experience repeated failures, and the "no rebound" claim of weight loss products is often misunderstood as meaning that no maintenance effort is needed after successful weight loss. In fact, the key to maintaining "no rebound" lies within oneself. The following are good ways to maintain weight loss results:

(1) Chew slowly and thoroughly. This not only aids digestion but also promotes health.

(2) Eat until you are 80% full. No matter how grand the banquet is, no matter how much you like the food or drink, especially alcohol, do not drink without restraint.

(3) Eat regularly and in small portions. Divide your daily food intake into 4 to 5 meals. Avoid irregular eating habits and overeating.

(4) Eat a good breakfast, a full lunch, and a light dinner. Pay attention to the quality of breakfast, which must include protein. Do not eat two hours before bedtime.

(5) A diverse diet is essential; avoid unbalanced diets. Like protein and carbohydrates, fat is an important nutrient for the body. A diet that excludes all fat can disrupt metabolism. A light diet is recommended.

(6) Drink plenty of water. Drinking a moderate amount of soup with meals can make your stomach feel satisfied for a longer time. It is best to drink 6-8 cups of water (about 2 liters) a day, and you should also eat plenty of vegetables and fruits. This will help you get more vitamins and minerals and replenish your water in time.

(7) Increase fiber intake. Include about 20 grams of fiber in your daily diet. This can reduce calorie intake by 90 calories. Fiber-rich foods include fruits, vegetables, and some legumes. Vegetables like celery can also help treat constipation.

(8) Control your appetite. You should learn to resist the temptation of delicious food. Appetite often arises in the afternoon, while cooking, and before going to bed. At these times, you should eat some natural, low-fat foods. One of the best ways to stimulate your appetite is through exercise.

(9) Avoid prolonged sitting. Certain habits directly affect body shape, such as holding the remote control and sitting on the sofa for a long time to watch TV. Doing so will put the body in a completely passive state and will not consume any calories. For people with slender limbs and a standard weight, but whose waist circumference is larger than their hip circumference and whose fat is concentrated in their belly, they can actually lose two pounds of fat accumulated in their abdomen simply by correcting their posture, pulling in their abdomen and straightening their chest.

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