With all eyes on the President’s health, we investigate the most concerning issue that could be a gamechanger in predicting his prognosis. Plus, the co-founder of Regeneron reveals just how his company’s antibody cocktail that Trump is taking, works. And, will the American public have access to this drug as well?

Dr. Oz goes where he's never gone before. He's letting you eat fast-food and it's not what you expect. Learn which fast food meals you can eat under 500 calories while still enjoying the food you love.

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