Black fungus black ear (also known as ear). The symptoms are: After the ear is mature, it becomes soft and even the ear dissolves. Bag cultivation of black fungus, culture material too wet, acid carbon degree is too high or too low, affect the normal growth of black fungus and cause bad ears. …

The content of copper in the human body is negligible and it is estimated that it is only 80 micrograms (about 1/40 of that of iron). The content is not much, but the function is much more complicated than iron.

Copper is the active ingredient of more than 30 enzymes in the body; many …

Calcium is a regulator of human life activities and is the source of life, accounting for about 1.5% to 2.0% of adult weight, and a total weight of about 1200 grams. Calcium plays an important physiological role in all stages of growth and development in life, from childhood to adulthood and ev…

Some parents are afraid that children will not eat chewed foods, eat them well, and digest them before eating them. Some of them feed their mouths to their mouths, and some use their fingers to put chewing foods in their children's mouths. This is unhygienic.

Because the adults…

Nutritionists point out that breakfast is a tonic. For children who are in a long physical stage, having a good breakfast is particularly important. Because the food that had been eaten the night before had been digested overnight, the stomach was empty and there was a serious shortage of energ…