Peter Attia· MD
in my career which as you can see on my gray hair has has been a while I've seen xentometer also in the patella and so that tendon actually on the tibia I've seen them under wedding rings so actually a xanthoma under a wedding ring I've seen them everywhere and then the deposits on the eyes are probably also linked to movement because you're blinking your eye the entire day and then you have a deposit of cholesterol in your cornea which is called an Arcus cornealis