TIL about Frank’s sign, a crease that may form on your earlobe that can be a sign of poor cardiovascular health

https://pmc.ncbi.nlm.nih.gov/articles/PMC8134579/
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1gbo9ku/til_about_franks_sign_a_crease_that_may_form_on/