What diseases does vitamin C treat? Revealing the medical uses and hot topics of vitamin C
Vitamin C (vitamin C), as an essential nutrient for the human body, has been frequently searched in recent years due to its wide range of health benefits. This article will combine the hot topics on the Internet in the past 10 days, conduct a structured analysis of the therapeutic effect of vitamin C, and provide relevant data support.
1. Medical uses and popular discussions of vitamin C

In the past 10 days, the following therapeutic effects of vitamin C have attracted widespread attention:
| Disease/Symptoms | The role of vitamin C | Popular discussion sources | 
|---|---|---|
| Colds and respiratory infections | Shorten the course of disease and relieve symptoms | Weibo health topic list, Zhihu medical column | 
| Skin antioxidant | Reduce free radical damage and delay aging | Xiaohongshu skin care notes, Douyin popular science videos | 
| anemia (iron deficiency) | Promote iron absorption and assist treatment | Baidu Health Q&A, Tencent Medical Dictionary | 
| cardiovascular disease | Improve vascular endothelial function | Latest research in the medical journal "Nutrients" | 
2. Analysis of Hot Events: Controversy and Consensus on Vitamin C
1.Can vitamin C prevent COVID-19?The recent Weibo topic # Vitamin C Fights Viruses has been read more than 5 million times, but experts point out that vitamin C can only help improve immunity and cannot directly prevent viral infections.
2.Controversy over high-dose vitamin C treatment for cancerA short video platform popularized the case of "vitamin C anti-cancer", but the medical community generally believes that there is a lack of clinical evidence and needs to be treated with caution.
3. Recommended intake and food sources of vitamin C
| crowd | Recommended daily amount (mg) | Foods rich in vitamin C (content per 100g) | 
|---|---|---|
| adult | 100 | Fresh dates (243mg), kiwi fruit (62mg) | 
| pregnant woman | 130 | Strawberry (47mg), orange (53mg) | 
| smoker | 150+ | Broccoli (89mg), pepper (144mg) | 
4. Precautions and Expert Suggestions
1.Risk of overdose:Long-term daily consumption of more than 2000 mg may cause diarrhea or stones.
2.When to take:The absorption rate is higher on an empty stomach, but patients with stomach problems are advised to take it after a meal.
3.Special groups:Patients with kidney disease need to strictly follow the doctor's advice and avoid self-supplementation.
In summary, vitamin C plays an auxiliary therapeutic role in a variety of diseases, but its effect needs to be viewed scientifically. Based on recent hot topics, the public should pay more attention to a balanced diet rather than blind supplementation. If therapeutic use is required, it is recommended to proceed under the guidance of a doctor.
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