Can allergies to certain foods trigger migraines? What about food additives like MSG? Dr. David Dodick of the Mayo Clinic responds to readers' questions about migraines.

对某些食物过敏是否会引发偏头痛？那么食物添加物呢？比方说味精。马右诊所的大卫铎迪克医生为我们回答关于偏头痛的问题。