![Your eyes hold the key to your true biological age, study finds](https://cdn.cnn.com/cnnnext/dam/assets/200718134512-eyeball-stock-super-tease.jpg)
Your eyes hold the key to your true biological age, study finds
CNN
The back of your eye, called the retina, reveals a wealth of health information to doctors, and may one day show your body's true biological age, regardless of how old you are.
Dry eyes can be a sign of rheumatoid arthritis. High levels of cholesterol can cause a white, gray or blue ring to form around the colored part of your eye, called the iris. A coppery gold ring circling the iris is a key sign of Wilson's disease, a rare genetic disorder that causes copper to build up in the brain, liver and other organs, slowing poisoning the body.
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Biden set to announce sweeping action shielding undocumented spouses of US citizens from deportation
President Joe Biden is preparing to announce sweeping executive action Tuesday that would shield select undocumented spouses of US citizens from deportation and allow them to work legally in the country as they seek citizenship, according to people familiar with the plans.