Picky eating

Pressure at the table, meeting a food again, and the signs that deserve a call to the doctor.

• Why "just one bite" can backfire

  One bite sounds like a small request. At the table, it can become a big one.

• Fifteen exposures, and what they mean

  Where the number fifteen comes from, and why it does not belong on a calendar.

• When picky eating needs a doctor

  Weight, swallowing and a shrinking diet are reasons to put down the app and book an appointment.