It is one of the important minerals to raise the immune system. It is an antioxidant mineral and reduces the damage caused by cancer. It protects the body’s cells from the danger of free radicals, which have a harmful effect on the heart.   Selenium has a role in producing and maintaining sperm, as well as the prostate gland, and the human body needs about 100 micrograms per day.   It can be obtained from some nuts and foods, the most important of which are raisins, bread with bran, and some marine products   Like tuna, vitamins (A-A), (C-C),…