National Greasy Foods Day and Sourest Day in USA
National Greasy Foods Day and Sourest Day in USA is held on October 25. This event in the third decade of the month October is annual. 
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Greasy food affects your health in many negative ways. First of all, it makes you gain weight. Greasy foods like fries, chips, pizza, and doughnuts are high in calories and unhealthy fats. A high intake of these foods can lead to weight gain, obesity, heart disease, diabetes, bloating, diarrhea, acne, and impaired brain function.
Today is a day for all things sour — from candy to kimchi, sour foods can be an everyday part of our lives. Toxic Waste was chosen by Delishably as its top pick for sourest candy on earth, and it even comes with its own challenge, printed right on the case, based on the length of time you can keep the candy in your mouth (15 seconds you're a wuss, 60 seconds a hero).
Similar holidays and events, festivals and interesting facts
National Bologna Day and Feast of Good & Plenty in USA on October 24
Food Day in the United States on October 24 (since 1975);
World Tripe Day on October 24
World Champagne Day on October 25 (Celebrated on the penultimate Friday of October);
National Mincemeat Day and National Pumpkin Day in USA on October 26
National Milk Day in Bolivia on October 26
Fête de la Gastronomie in Mainz on October 26