Unbelievably rude, arrogant and belittling. His patronizing superiority was shocking. I have a suspicion he uses it to hide what a poor physician he may be. My husband struggles with chronic back pain (10 yrs). Leher didnt ask how he hurt his back, how sever the pain is, what all was done in the past to manage the pain, what worked, what didnt, he didnt examine the back or other basics a doctor does with a new patient to help determine proper pain management. He suggested Yoga.