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Nail Changes You Shouldn’t Ignore: What They Could Mean for Your Health

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Thirty-four million Americans, or about one in ten people in the U.S., are currently diagnosed with diabetes, according to the Centers for Disease Control and Prevention (CDC). Even more alarming is that an estimated one in three Americans has prediabetes, with only 15 percent aware of their condition. This alarming statistic underscores the importance of recognizing the signs of diabetes. The Mayo Clinic advises that symptoms such as fatigue, increased thirst or hunger, changes in skin, weight fluctuations, and blurred vision can indicate serious blood sugar imbalances.

Beyond these well-known signs, there’s another indicator that experts urge you to be aware of. This clue can be found right at your fingertips, particularly if you know what to look for. Read on to discover how your fingernails might reveal a diabetes diagnosis.

A “slight blush” on the nail could indicate diabetes.

Your fingernails can provide significant insights into your overall health, as pointed out by Elizabeth Salada, MD, via Diabetes.co.uk. Dr. Salada routinely checks her patients’ nails during medical examinations.
“Lots of common diseases can present themselves through the appearance of your nails,” she shared.
Healthy nails are typically pink, flat, and even in color. Any changes in shape, thickness, or consistency can signal a problem. Specifically, Dr. Salada warns that “a slight blush at [the] bottom of the nail is sometimes a symptom of diabetes.”

Your nails may also turn yellow or more brittle.

According to Healthline, yellow or brittle nails can also be a sign of diabetes. This is because diabetes makes you more susceptible to a fungal infection called onychomycosis.
“In some people with diabetes, the nails take on a yellowish hue,” the health resource explains.
“Often this coloring has to do with the breakdown of sugar and its effect on the collagen in nails.”
While the discoloration itself is not harmful and does not need treatment, it can indicate deeper issues. If you notice this change, consult your doctor for an evaluation, especially if you’re experiencing other symptoms.

A “distinctive line” across the nail is another red flag.

As you age, you may naturally develop vertical ridges on your nails. However, horizontal lines, known as Beau’s lines, could be the result of type 2 diabetes. These lines can be caused by uncontrolled blood sugar levels, according to the Mayo Clinic. This same symptom can also be linked to other conditions, such as thyroid problems. If you observe these lines on your nails, it’s essential to consult your doctor to discuss potential causes.

Your nails can also appear “shortened.”

While short nails may be due to biting or breakage, they can also indicate a deeper health issue. In rare cases, nerve damage from diabetes can inhibit nail growth, leading to nails on certain fingers appearing “shortened” and “fragile,” as reported by the journal Practical Diabetes.

Recognizing these subtle signs on your nails can be crucial in identifying diabetes early. If you notice any of these changes, it’s important to consult your healthcare provider for a thorough evaluation. Early detection and management can make a significant difference in your overall health and well-being.

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