What's the matter with indented nails?
Recently, many netizens have been discussing the phenomenon of "indented nails" on social platforms, which has attracted widespread attention. The health of your nails can often reflect underlying problems in your body, so it's important to understand their causes and how to deal with them. This article will combine the hot topics and medical knowledge on the Internet in the past 10 days to provide you with a detailed analysis of the possible causes and solutions of sunken nails.
1. Common causes of sunken nails

According to recent discussions on medical forums and health self-media, sunken nails (medically known as "spoon nails" or "concave nails") may be related to the following factors:
| Reason type | Specific performance | Associated diseases/factors |
|---|---|---|
| nutritional deficiencies | The center of the nail is sunken and the edges are raised | Iron deficiency anemia, vitamin B12 deficiency |
| Traumatic | Localized depressions or transverse grooves | Crushed and over-trimmed nails |
| Skin diseases | Accompanied by thickening or discoloration of the nail bed | Psoriasis, eczema |
| systemic disease | Multiple nails are sunken at the same time | Thyroid dysfunction, cardiovascular disease |
2. Analysis of recent popular related topics
Through the compilation of social media data in the past 10 days, the following topics are closely related to nail health:
| platform | hot topics | Discussion popularity |
|---|---|---|
| #nail dents are a body alarm# | Reading volume: 12 million+ | |
| little red book | “Experience in repairing dents after manicure” | 86,000 likes |
| Zhihu | "Effects of long-term iron deficiency on nails" | 23,000 collections |
3. Medical advice and solutions
1.Diagnostic recommendations:If the depression lasts for more than 2 weeks or is accompanied by other symptoms (such as fatigue, hair loss), it is recommended to perform:
2.Daily care:
| Nursing method | Specific methods | Effect cycle |
|---|---|---|
| diet modification | Increase your intake of red meat, spinach, and nuts | Effective in 2-3 months |
| local protection | Avoid frequent manicures and use nail polish | Instant protection |
4. Sharing of real cases from netizens
Xiaohongshu user @Health小A recorded: “After 3 months of iron supplementation treatment, the depth of nail depression was reduced from 1.5mm to 0.3mm.” His experience post resonated with a large number of netizens. Similar cases show that about 60% of nutritional depressions can be alleviated through targeted improvements.
5. Special circumstances that require vigilance
It is recommended to seek medical treatment immediately in the following situations:
In summary, sunken nails may be a health signal sent by the body. Most conditions can be improved through scientific diagnosis and reasonable intervention. It is recommended that while paying attention to changes in your nails, you should also pay attention to the balance of your overall health.
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