Ask them how it feels, who are always in close vicinity to some of the other inner body troubles due to which their day to day life gets hampered. Never-ending body troubles may be an indication that you have weak body immunity.

Immunity is resistance to something. When you talk in biological terms, immunity could be put together as the resistance of a human body to fight the attack of diseases, disorders, toxins and carcinogens etc. which damage the body. As they hover around, the body immunity is in a constant battle with these, so that they do not offer to be perilous. Once they attain a colossal state and begin defeating the inner immunity, your body serves to be a residing place for many dangerous diseases which are even capable of taking human life.

The White Blood Cells (WBCs) in the human blood are the prime fighters against the diseases while some other organs such as liver and kidneys help in detoxifying the body of the toxins. To strengthen your inner immunity and increase the count of WBCs, you could make use of some natural food products such as:

• Berries: Various berries and juices such as Blueberry Juice, Acai Berry Juice, Gojiberry Juice and Strawberry Juice etc. are highly helpful in promoting the immunity of the human body. These contain a blend of essential antioxidants such as Vitamin A and Vitamin C, which play a vital role in enhancing the body immunity.
• Carrots: Carrots are a good source of Vitamin A or Beta Carotene that are highly beneficial for the human eyes. Apart from this, they are also a great source to boost the immunity of the human body.
• Garlic: Use of garlic has been in the world cuisine for thousands of years, and it also has many therapeutic properties. It prevents many sorts or infectious respiratory troubles such as nausea, colds and cough etc. and could help immensely in improving the body immunity. 
• Kiwi Fruit: Kiwi fruit has a good content of natural Vitamin C, and it is also helpful in fighting infections and allergies in the body.
• Spinach: Most of you would not love the notion to eat spinach, but this green leafy vegetable is a good source of Beta Carotene, Folate, Vitamin A, Vitamin C and a matchless storehouse of mineral Iron. That is why it could immensely boost the immunity of the body and help in fighting innumerable dominant diseases.
• Citrus Fruits: Various kinds of citrus fruits such as oranges, lemons, Indian Gooseberries and kiwis etc. contain the right amount of antioxidant Vitamin C that strengthens the count of White Blood Cells in the human body. Due to this, it could effectively help in improving body immunity and preventing creep in of diseases. Vitamin C could also help in facilitating the functions of the liver.
• Yoghurt: Yogurt is a good source of many essential minerals, and thereby, it could enhance the body immunity effectively. It is also a good source of Vitamin D that strengthens the bones of humans. 

If you too are the one who is repeatedly down due to small or big body troubles, these are the food products that you should include in your diet for a supreme resistance to the disorders.