What will happen if you only drink water for three days? ——Analysis of health experiments that are hotly discussed on the Internet
Recently, a topic about the challenge of "drinking only water for three days" has sparked widespread discussion on social platforms. Many netizens try to detoxify, lose weight or improve their mental state through short-term fasting, but the scientific basis and potential risks behind this behavior have also caused controversy. The following is an analysis report compiled from the hotspot data of the entire network in the past 10 days.
1. Discussion popularity statistics on popular platforms
| platform | Amount of related topics | Most Liked Post |
|---|---|---|
| 128,000 items | “72-hour fasting experience report” (92,000 likes) | |
| little red book | 56,000 notes | "A true record of losing 5 pounds by drinking water in three days" (34,000 collected) |
| Zhihu | 2300+ answers | Medical Doctor's Popular Science "Risks of Fasting" (11,000 Agree) |
| Douyin | 120 million plays | Challenge video "Drink only water for 72 hours" (Top 3 on the hot list) |
Physical changes of drinking only water for two or three days (scientific data)
| time stage | Physiological reaction | medical opinion |
|---|---|---|
| 0-24 hours | Drops in blood sugar and obvious hunger | Consumes liver glycogen, which is normal metabolism |
| 24-48 hours | Ketone production and possible dizziness | Entering the fat energy supply stage |
| 48-72 hours | Increased risk of electrolyte imbalance | Be wary of hyponatremia (professional supervision required) |
3. Comparison of actual measurement results by netizens
200 samples based on Xiaohongshu’s high praise notes:
| Effect type | Proportion | Typical feedback |
|---|---|---|
| Weight loss 1-3kg | 68% | "The waistline shrinks significantly but rebounds quickly" |
| Fatigue and headache | 45% | “Productivity plummets the next day” |
| increased emotional anxiety | 32% | "Morbid cravings for food" |
| Claiming to be "mentally better" | 15% | Mostly practitioners of long-term fasting |
4. Expert warning points
Professor Li, director of the Chinese Nutrition Society, emphasized in the interview:
1.non-universal: Diabetics, pregnant women and other groups are absolutely prohibited from trying this;
2.Moisture misunderstanding: 2000ml of drinking water is required every day, but it cannot replace nutritional intake;
3.Rally risk: In 72% of cases, the weight returned to the original level after resuming diet.
5. Suggestions for safe alternatives
| target | scientific method | implementation cycle |
|---|---|---|
| short term detox | Fruit and vegetable juice light fasting (500 calories per day) | No more than 2 days |
| healthy weight loss | 16:8 intermittent fasting method | Long term controllable |
| Improve metabolism | Exercise + high protein diet | Effective for 3 months |
Conclusion
Although short-term fasting is popular on social platforms, the medical community generally believes that its risks outweigh its benefits. If you need to adjust your physical condition, it is recommended to adopt a progressive program under professional guidance. Data shows that 83% of netizens said they would not repeat the experiment after trying "drinking only water for three days". Health management still needs to return to science and sustainability.
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