Trump claimed diet soda kills cancer, Dr. Oz says. But was it a joke?

White House Press Secretary Karoline Leavitt has since called the president's comments about diet soda killing cancer cells a ...

Dr. Oz Reveals Trump’s Theory Soda Is ‘Good For Him’ and Kills Cancer Cells Because ‘It Kills Grass’

Dr. Mehmet Oz revealed President Donald Trump’s theory that Fanta is “good for him” and kills cancer cells in the body ...