I've never seen a left handed pen or pencil though. Are regular ones hard to use?
Lefty here, No, left handed people use normal pens and pencils and they work perfectly. I think the OP of the comment meant this specific highlighter.
that genetic predetermination is due to the amount of carrtilege a person has in the womb. more cartilage means more that can be converted into bone later on. Often Doctors predict an estimated height youll achieve my Xraying your wrist and looking how much cartilage os still between your bone and hand
and once you’re body’s done converting that cartilage you stop growing, right?