If cells continually regenerate, why don't tatoos go away?

Subject: If cells continually regenerate, why don't tatoos go away?

Date: Thu Jun 7 10:45:24 2001
Posted by Tony
Grade level: undergrad School: ASU West
City: Phoenix State/Province: AZ Country: USA
Area of science: Anatomy
ID: 991925124.An

Message:


I remember reading that almost every cell in your body is 
recycled every seven years (except for neurons).  Is that true?
If so and assuming their are no neurons in my dermis, then why do tatoos last 
more than 7 years?

Re: If cells continually regenerate, why don't tatoos go away?

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