As winter approaches, many people begin to suffer from the flu, which affects daily life. Nutrition experts recommend eating certain foods from now on to strengthen the immune system before the "cold" in some parts of the world.
Doctors are advised to follow a series of steps to strengthen the immune system and avoid the flu, the most important to get the vaccine for the virus, and sleep for hours enough, and avoid tension and exercise.
However, it is difficult for many people to apply these recommendations, especially with a fast lifestyle, so the easiest thing to do to get a strong immune system is to eat certain foods regularly.
The most important elements to be obtained by the body are vitamins A, C, D and B, copper, iron, selenium and zinc, as indicated by nutrition expert Helen Bond to the site, "Sun" British:
Vitamin A
Vitamin A: is essential for the health of the heart, lungs and kidneys, and is found in dairy products and oily fish, as well as red and orange vegetables, such as sweet potatoes, pumpkin, yellow pepper, orange and red.
Vitamin C: Of foods rich in vitamin C, orange fruit, strawberry, broccoli and pepper. Although studies have shown that vitamin C does not prevent influenza, it reduces the severity and duration of infection.
Vitamin D: People get vitamin D mainly from the sun, but the colder weather and dense clouds make it necessary to rely on food to get this vitamin during the winter.
The most important sources of vitamin D, oily fish such as sardines, eggs, dairy products, and some types of mushrooms.
Copper
It is important that the human body gets enough copper, which plays an important role in red blood cells. Copper can be obtained from foods such as nuts and oysters.
Zinc: Zinc is an essential component of the immune system and is important in healing wounds.
Zinc can be obtained by eating lean meat, seafood, poultry, seeds, grains, eggs, and dairy products.
Vitamin B
Vitamin B helps the human body gain energy from food.
If the body gets enough energy, the immune system will not have to work doubly to fight the flu.
Foods that contain vitamin B, lean meats, fish, eggs, dairy products, breakfast cereals and dark green leafy vegetables, such as cabbage, broccoli, spinach, and whole grains such as brown rice and brown bread.
Iron: Iron plays an important role in the formation of red blood cells, and not getting enough amounts makes people feel tired and tired.
Iron can be obtained from fat-free red meat, oysters, dark green leafy vegetables, dried fruits and nuts.
Selenium: The human body does not need much selenium, but it is important because it helps the body to make antioxidant enzymes, which prevent cell damage.
Selenium is found in foods such as fish, meat, poultry, eggs, Brazilian nuts and mushrooms.