What Caused Sylvester Stallone's Facial Deformity? A Look at the Birth Injury Behind the Icon's Look
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4 min read
In 1946, complications during Sylvester Stallone's birth resulted in a medical accident that would forever alter his facial appearance. This incident, which led to partial facial paralysis, is the answer to the long-standing question: **what caused Sylvester Stallone's facial deformity?**. It is a permanent condition stemming from nerve damage at birth, not a result of illness or surgery.