Major surgery may be a last resort for most people but for those who suffer from joint pain, cartilage lo­ss, and limited mobility, a replacement surgery may be exactly what they are looking for. Knee, hip, and shoulder replacements are the most popular in the United State but the question of how long these artificial joints last still remains. Joining us today is Dr. Richard Iorio , an orthopedic surgeon and the chief of adult reconstruction at New York University Langone Hospital for Joint