Dear Mayo Clinic:
Until recently I'd never experienced heartburn, but now I seem to have it at least twice a week. I would like to avoid taking over-the-counter medications. Is it possible to prevent heartburn by avoiding certain foods?

Dear Mayo Clinic:
My 16-year-old daughter has been diagnosed with ulcerative colitis. Are the treatments safe for her growing body? Will the condition most likely remain mild, or will it get worse as she gets older?

Dear Mayo Clinic:
I am newly pregnant and not looking forward to the terrible morning sickness I experienced with my first two pregnancies. There were weeks when it felt like I could not keep any food down. What causes morning sickness? Is there any way to prevent it? At what point should I be seen by a physician?

Dear Mayo Clinic:
What exactly is vaginal atrophy? Are there any effective treatments for it, or is it just another part of aging that I will have to live with?