New Year holidays almost always involve feasting, overeating, and the potential for weight gain or stomach issues afterward. The best approach is to approach the feasting with mindfulness, explains nutritionist Yuliia Koval on Instagram. Here’s how to eat during the holidays to avoid problems: Don’t go on a diet or starve. Many people believe that they need to lose weight and quickly get in shape before the New Year. They often choose restrictive diets that promise quick results. However, this category of people is likely to overeat during the holidays and regain the lost weight and more. Care…