All About Sciatica - sciatica Exercises - sciatica Treatment I am not going to get into why people recommend heat, beyond mentioning that proponents argue that heat helps with blood flow to the affected area, specifically nutrition and oxygen, and healing is enhanced, as a result. As you know too well if you experience sciatic nerve pain, when you are in pain the most important thing is relieving the pain! The healing will come later, let's deal with the sciatica first!The second sciatic nerve p...