冬季气温低,身体散热快,相对产热少。寒冬胃肠功能不济,单纯依赖正餐获取的营养往往有失完整,适当补充些零食会有益健康。(1)葡萄干、巧克力、糖果等,是补充热量的良好供源,是防寒与保暖的助手;同时可防范眩晕、心悸、乏力等“低血糖反应”。(2)坚果中的核桃,补钙又益智、健脑; Low temperature in winter, body heat faster, less heat. Cold winter gastrointestinal dysfunction, relying solely on the nutrition of the dinner is often lost, appropriate to add some snacks will be beneficial to health. (1) Raisins, chocolates, candies, etc. are good sources of supplemental heat, and are aids to cold and warmth. Meanwhile, they can prevent “hypoglycemic reactions” such as dizziness, palpitation and fatigue. (2) nuts in the walnut, calcium and puzzle, brain;