Why can you lose weight if you have diarrhea?
Recently, the topic of "whether having diarrhea can help you lose weight" has sparked heated discussions on social media. Many netizens have shared their experiences of short-term weight loss through diarrhea, but is this method scientific and healthy? This article will analyze the relationship between diarrhea and weight loss from a scientific perspective, and attach hot topic data in the past 10 days for reference.
1. The relationship between diarrhea and weight changes

Diarrhea can cause a large amount of water and electrolytes in the body to be lost, resulting in significant weight loss in the short term. But this weight loss is not a loss of fat, but a loss of water and nutrients. The following is comparative data on the impact of diarrhea on weight:
| Type | Weight loss principle | Effect duration | health risks |
|---|---|---|---|
| Normal weight loss | lipolysis | long term | low |
| diarrhea weight loss | water loss | 1-3 days | High (dehydration, malnutrition) |
2. Risk analysis from a scientific perspective
1.Risk of dehydration: Diarrhea can lead to an imbalance of electrolytes such as sodium and potassium, which can lead to shock in severe cases.
2.Nutrient loss: The intestines cannot absorb vitamins and minerals, which may induce anemia in the long term.
3.rebound effect: After rehydration, the weight will return quickly and may be higher than the original weight.
3. Popular health topics on the Internet in the past 10 days
Combined with current hot topics, the following are the TOP5 health topics that netizens are concerned about (data statistics period: November 1-10, 2023):
| Ranking | topic | Search volume (10,000) | Main platform |
|---|---|---|---|
| 1 | Semaglutide for weight loss | 285 | Weibo, Xiaohongshu |
| 2 | Scientific basis for light fasting | 176 | Zhihu, Bilibili |
| 3 | Dangers of losing weight due to diarrhea | 132 | Douyin, Baidu |
| 4 | Ketogenic diet controversy | 98 | WeChat public account |
| 5 | Tips for replenishing sugar after exercise | 75 | Keep, Douban |
4. Healthy Weight Loss Suggestions
1.Eat properly: Control the daily caloric deficit at 300-500 calories.
2.Movement assistance: 150 minutes of moderate to high-intensity exercise per week.
3.medical supervision: If BMI ≥ 28, it is recommended to consult a doctor.
4.Be wary of misunderstandings: Any weight loss through dehydration may impair kidney function.
5. Expert opinions
Chen Wei, director of the Nutrition Department of Peking Union Medical College Hospital, said: "Weight loss with diarrhea is a typical pseudoscience. The risk of dehydration it brings is far greater than the so-called 'slimming effect.' Correct fat loss should follow the law of energy conservation."
In summary, losing weight with diarrhea is a dangerous and ineffective way. Only by paying attention to scientific fat loss methods and combining them with recently popular healthy lifestyles (such as light fasting, sports supplements, etc.) can we achieve safe and long-lasting weight management.
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