It's cold, the elderly change how to improve immunity, not cold?

Immunity-enhancing foods - winter and spring is the season of colds, some people are prone to repeated colds, while some people are healthy and happy, which is mainly associated with susceptible people with low immunity.　The human body needs more supply of vitamins, trace elements and minerals to stimulate the function of immune cells and enhance the body's resistance to viral and bacterial infections.　Eating more vegetables and fruits is useful in improving the body's immunity. It has been reported that carrots, spinach, cabbage, lettuce, garlic, mushrooms, beans, citrus, kiwi, papaya and yogurt, oysters and other foods can improve the body's immune system.　It is important to note that consuming too much high-fat food, sugar and corn oil, sunflower oil, soybean oil and other vegetable oils will inhibit the immune function, people are prone to colds and respiratory infections.