 [ Symptoms ] i have thin skin on my forearms could it be hereditary and because of tanning as a teen [ Disease ] thank you dr ayman for answering well as a medical history he has diabetes and went to the hospital after a swelling in his body that increased the creatinine and for medication doctors gave him cortisone that cured him but it decresed the potassium and sodium in his body and now he is getting physical therapy and medication i just want to know your full answer please