Doctor measures a woman's waist with a tape measure
A doctor measures a patient's waist.
  • A growing number of doctors want to become obesity experts. 
  • Almost 1,900 doctors signed up to take this year's exam to get certified in obesity medicine.
  • The surge comes amid huge demand for weight-loss drugs such as Wegovy.

The number of doctors who want to become obesity-medicine experts is surging amid explosive demand for popular drugs that help people lose weight, such as Wegovy and Ozempic.