Core Viewpoint - The article emphasizes the importance of a balanced diet for students preparing for exams, highlighting five types of foods to avoid that may negatively impact cognitive function and overall well-being during this critical period [1]. Group 1: Foods to Avoid - High-sugar foods, such as sugary drinks and desserts, can lead to blood sugar fluctuations, resulting in decreased attention and increased fatigue, commonly referred to as "carb crash" [2]. - High-fat foods, including fried items and fatty meats, can cause digestive discomfort and hinder cognitive performance due to their low nutritional density [3]. - Stimulant beverages like coffee and energy drinks may temporarily enhance alertness but can lead to anxiety and sleep disturbances when consumed excessively [4]. - Raw foods, such as sushi and undercooked eggs, pose a risk of foodborne illnesses, which can disrupt study routines and exam performance [5][6]. - Trying unfamiliar foods can increase the risk of allergies or digestive issues, potentially affecting focus and stability during exam preparation [7]. Group 2: Dietary Recommendations - A light and balanced diet is recommended, avoiding overly salty or spicy foods that can burden the kidneys and irritate the digestive system [8]. - Regular meal patterns should be maintained to ensure steady energy levels, with an emphasis on whole grains and diverse protein sources [9].