What can frequent foot pain that is caused by obesity mean?

I also have frequent pain in my ankles, shins, and knees. I am 25 years old, 6’0", and weigh 360 pounds. I do not have type 2 diabetes nor high blood pressure. I do know that I am obese, so no smart-ass answers please. My doc diagnosed me as morbidly obese and I’m working on [...] http://bit.ly/pZ7YHY