A 2005 uncontrolled study demonstrated that people 50–70 years of age with dark eyebrows but gray hair are significantly more likely to have type II diabetes than those with both gray eyebrows and hair.
Un recente estudo curioso demostrou que as persoas entre 50-70 anos con cellas escuras pero cabelo gris son máis propensas á diabetes de tipo II que aquelas que teñen tanto as cellas coma o cabelo gris.