2. Yellow Nails
Yellowing nails are often associated with fungal infections, especially if the nails become thick or brittle. However, in some cases, persistent yellow nails can be connected to respiratory conditions, thyroid disease, or diabetes.
If over-the-counter treatments don’t improve the color, it’s wise to seek medical advice.
3. Blue or Purple Tint
A bluish tint to the nails may signal low oxygen levels in the blood. This can sometimes occur in people with heart or lung conditions. If you notice blue nails along with shortness of breath, chest discomfort, or unusual fatigue, seek medical attention promptly.
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