[lz_third_party includes=”https://www.youtube.com/watch?v=2OZbTu5RsYc”]

During a segment Monday night with host Don Lemon on “CNN Tonight,” Dr. Sanjay Gupta—CNN’s chief medical correspondent—theorizes that President Donald Trump’s Diet Coke intake could cause irritability, insomnia, poor judgment, and more.

On a day filled with updates about the attempted terrorist attack in New York city, Gupta and Lemon discuss a Saturday New York Times report claiming that the president consumed up to a dozen Diet Cokes a day and favored steaks, large desserts, and Big Macs from McDonald’s.

To see Gupta’s and Lemon’s conclusions, watch the above video.