The human immune system is the body's defense against harmful organisms. The immune system is unique in that it recognizes friend or foe. The foes may be bacteria, viruses and cancers. Your body will attempt to fight these threats by using various means. For instance, your skin is the first line of defense and holds cells that specifically fight infection. Saliva and tears have enzymes that can destroy certain bacteria. It is important to keep your body healthy with vitamins so your immune system can function properly.
Vitamin C
Vitamin C is a water-soluble vitamin. This means it is not stored in the body, so it must be replaced daily. This vitamin is important for growth, development and cell and tissue repair. It helps to repair skin wounds so bacteria cannot invade your body. Vitamin C is an antioxidant, meaning it blocks free radicals in the body. Free radicals contribute to various cancers, cardiac disease and arthritis. Vitamin C can be found in citrus fruits and juices, tomatoes and green peppers.
Vitamin A
Vitamin A is referred to as the anti-infective vitamin. Your skin and mucous membranes benefit from vitamin A. It helps maintain the integrity of both. Vitamin A plays a role in activating certain cells of the immune response, such as white blood cells, to address cuts and wounds. It also facilitates iron stores for transport to the red blood cells. This allows oxygen to be distributed in your body. All cells and systems need oxygen, including the immune system. Many fruits and vegetables have natural forms of vitamin A. These include apples, pumpkin, squash, carrots and broccoli.
Vitamin B-6
Vitamin B-6 is another important water-soluble vitamin needed every day. This vitamin helps with over 100 enzymes in your body that aid in protein synthesis. Basically, all cells need protein to stay healthy, including the cells of the immune system. Vitamin B-6 maintains the health of important organs that fight off infection. These are the spleen, thymus and lymph nodes. Breakfast cereals that are 100-percent fortified contain the daily value needed for vitamin B-6. Potatoes, bananas and chicken are other high sources.
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