The phrase means:
“Brittle or weak nails may signal…”
It is a teaser headline that suggests weak nails could be a sign of something happening in the body. In reality, brittle nails can have many possible causes, including:
- Dryness or repeated exposure to water and chemicals
- Aging-related changes
- Nutrient shortages (such as low iron or inadequate protein intake)
- Thyroid or other medical conditions in some cases
- Nail infections or skin conditions
Brittle nails alone usually do not identify a specific disease. If the changes are new, persistent, severe, or come with other symptoms, a healthcare professional can help determine the cause.
