Speaking of things 80s, I remember my own racquetball phase, both weeks of it. And speaking of those tattoos, I’ve always heard that the body completely regenerates itself in seven years. In other words, the natural process of cell replacement eventually results in a brand new you. Researching this a bit (45 seconds, to be exact) in the process of writing this, I was not surprised to find out this isn’t exactly true. Types of cells take a lot longer than others to regenerate, and some never do. Essentially, though, there is something to the idea we get a completely new body every so often. The prospect tends to be more exciting than the reality, doesn’t it? However, given this and given the rather dynamic nature of skin cells, I wonder: Why don’t tattoos disappear?