Dear Abby is written by Abigail Van Buren, also known as Jeanne Phillips, and was founded by her mother, Pauline Phillips.

I tried unsuccessfully for years to identify my triggers, before realizing about a year ago that I’m triggered by smoke.

I began experiencing migraines occasionally as a teenager, but in my early 20s, they became a regular occurrence. I tried unsuccessfully for years to identify my triggers, cutting ...