United Kingdom, Jan. 23 -- Oprah Winfrey has changed her perceptions of "thin people" after taking weight loss medication.

The 70-year-old talk show host has seen her size fluctuate over the years but admitted that taking an undisclosed GLP-1 drug has made her reflect on her previous misconception that people were only smaller than her because they "had more will power".

Speaking to Dr. Ania Jastreboff on her 'Oprah Podcast', the media mogul said: "One of the things that I realised the very first time I took a GLP-1 was that all these years I thought that thin people - those people - had more willpower.

"[I thought] they ate better foods. They were able to stick to it longer. They never had a potato chip.

"And then I realised the very...