0 1 selenium
Selenium is also one of the trace elements, which has anti-cancer and anti-oxidation effects. If the human body lacks selenium, it will get cancer.
02 iodine
Iodine is also one of the micronutrients. If the human body lacks iodine, it will cause thyroid disease, that is, big neck disease. Generally, people in mountainous areas are prone to big neck disease.
03 iron
Iron is an important part of human hemoglobin. If the human body lacks iron, it will cause anemia symptoms and often lead to dizziness. Generally, pregnant women and adolescents are iron-deficient anemia due to iron deficiency.
04 calcium
Calcium is also one of the micronutrients. If the human body lacks calcium, it will affect growth and development, leading to short stature. Generally, milk is rich in calcium, and people who lack calcium can drink milk.