But if you have health goals in mind, a heavy meal like the Thanksgiving feast can bring up conflicting feelings. AdvertisementWe asked a registered dietitian, cardiologist, gastroenterologist and bariatric surgeon about the real health implications of eating to your heart’s content on Thanksgiving. “The foods we eat on Thanksgiving tend to be fried, fatty or processed. How fatty Thanksgiving foods can affect your heart. That said, Heffron emphasized that for the vast majority of people, what you eat during Thanksgiving isn’t going to do any long-term damage to your heart.
