age
As time goes on, the function of the immune system gradually weakens. Children are more vulnerable to bacteria, especially when they are old or babies.
♂? Living habits
A little bit in daily life has a far-reaching impact on immunity. Irregular work and rest, unhealthy diet, lack of exercise, overwork and so on. , virtually weakened the defense of the immune system.
Nutrient intake
Nutrition is the cornerstone of immunity. Without vitamin C, vitamin D, zinc, iron and other key nutrients, the immune system will lose its strong backing and make children vulnerable.
Moral attitude
Negative emotions such as anxiety, depression and stress will quietly weaken the protective effect of immunity. Maintaining an optimistic and positive attitude is the key to protecting immunity.
environmental factor
Pollutants, heavy metals and harmful substances in life are threatening the normal operation of the immune system. It is very important to create a healthy living environment for children.