1. Colour, texture, and shape of your nails can indicate medical conditions such as anaemia, iron deficiency, or psoriasis, indicating overall health.
2. Diana Armstrong's fingernails are the world's longest, measuring 1,306.58 cm and growing for 24 years without visiting a salon in 22 years.
3. Due to increased activity and frequent use, the dominant hand tends to grow faster than the other hand.
4. Due to increased wear and tear exposure, fingernails grow faster than toes, prompting the body to accelerate growth to compensate.
5. Stress causes the body to produce more cortisol, which damages nail keratin cells and causes brittle nails and other problems.
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