A balding man may hold a certain mystique (hello, Bruce Willis), but baldness could be a signal of health risks. For guys, a prominent bald spot on the head—especially right at the top—can suggest a loss of circulation that increases his risk of having or developing heart disease.

But wait, it gets stranger: Funny folds in your earlobes can be a tell-tale sign of an underlying problem, too! Your earlobes are an important skin-marker that may point to coronary artery disease, and diagonal creases across the lobe are associated with higher rates of cardiac events. Moral of the story? Your body can give you strange clues when it comes to internal symptoms, so listen up. Knowledge is power!

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