For several Central Michigan University student-athletes, tattoos are more than just a permanent mark on their bodies. They are symbolic for something greater.

The American tattoo business has grown into a $2.3 billion industry. Thirty-six percent of Americans aged 18-25 have at least one tattoo, according to a Pew Research Center report.

The Athletes

Silas DeKalita

Year: Junior

Sport: Track (Distance)

Hometown: Clio

Number of Tattoos: Five

Why tattoos?