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A long index finger, higher risk of heart disease
On the flip side, men who had coronary artery disease were more likely to have a longer index finger compared to their ring finger, notes a study on Chinese men and women published in the International Journal of Medical Sciences. It's not the first study to show the correlation, either. Here's the truth about why women usually outlive men.
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A purple rash along wrists may be an immune reaction
Purplish, itchy bumps around the wrist may be an inflammatory condition known as lichen planus, says Dr. Jaliman. Though it may look like a contagious rash, it's not. Most common in middle-aged adults, the condition can be triggered by the flu vaccine, prescription medications (like those used for high blood pressure or arthritis), or over-the-counter painkillers, according to the Mayo Clinic.
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When to seek help
Sometimes the cause of a nail problem is obvious. You may have caught it in a door (ouch!) or gotten a nail infection (ugh). But when the reason for your nail trouble isn't clear, seek a professional opinion. Dr. Jaliman advises heading to the doctor if nail changes appear on most of the nails and if they appear suddenly. Next, find answers to the 13 most contentious health debates.