Have you ever measured your arm span or looked at which fingers are longer? If not, you might want to, as they could hold surprising clues to your health.
Redheads feel more pain. A study shows a mutation of the gene responsible for red hair may also control the way the brain regulates pain sensitivity.
If you fly off the handle, check your fingers. A study in the Journal of Communications found if you have a smaller index finger than a ring finger, you're likely to be more verbally aggressive.
A 2010 study shows men whose index fingers were longer than their ring fingers were one-third less likely to get prostate cancer.
Short people may have the last laugh. A study in the Western Journal of Medicine found the onset of chronic disease is often delayed in smaller bodies.
Your arm length could be a tell-tale sign of Alzheimer's. Women with arms less than 60 inches across may be one and a half times more likely to develop the disease.
Women with smaller calves could have a higher risk of stroke, according to one study.
Take a look at your finger and toenails. If the very base is purple or blue, it could indicate a heart issue.
And one more thing: What's your favorite smell? If you have trouble with scents, a lack of smell is related to the onset of Parkinson's.
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