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If your father or grandfather had thick ear hair, there’s a good chance you will too. Your DNA determines not only the sensitivity of your hair follicles to hormones, but also the precise “map” of where hair grows. This has nothing to do with hygiene or lifestyle—it’s genetic.
What Ear Hair Could Tell You About Your Health
In most cases, ear hair is completely harmless—a normal part of the aging process. Occasionally, however, it can be a signal from your body:
Sudden, heavy hair growth—especially when accompanied by fatigue,
