Corneal arcus appears as a whitish ring on the peripheral cornea with a clear zone between it and the limbus. The white ring is an accumulation of cholesterol, triglycerides, and phospholipids. Arcus affects over 60% of the population between 40 and 60 years of age and can be associated with abnormal serum lipid profiles. Although bilateral arcus is a common finding, when it presents unilaterally a carotid workup is indicated to check for plaque deposits.
And another...
Scientists at Liverpool University have established a link between the length of baby boys' fingers and their chances of going on to have a heart attack at an unusually young age.
The longer your ring finger, the more protected you are against heart attack. This is because these boys tend to have lower levels of the male sex hormone testosterone, which is known to protect against heart attack.
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