What is Immune System?
The immune system is the body’s
defense mechanism to handle invaders. It is our body’s second line of defense,
after physical barriers like the skin and the mucous membranes. The immune
system is located throughout the body and includes the thymus gland, the
spleen, bone marrow and a vast network of lymph nodes. It comprises many cells,
proteins, tissues and organs.
The immune system of a person
protects him or her from being attacked by various bacteria and viruses. The
best part is that we do not even know that the system is working 24/7 to keep
our body free from such microorganisms that can harm us. One very good feature
of the immune system is its memory. The units of the immune system are the foot
soldiers who keep us away from infections and they remember the bacteria or
viruses that have attacked in the past so that if they return, the body is
fully prepared to handle them. The immune system consists of white blood
cells such as neutrophils, monocytes, lymphocytes, eosinophils, and basophils.
These white blood cells act as the second line of defense.
How does the immune system
work?
The immune system performs the
function of defending our body against the disease causing microorganisms.
Failure of the immune system to perform its function effectively results in
increased susceptibility to diseases and infections. The immune cells play a
major role in preventing the entry of pathogenic bacteria and viruses into the
body. These cells comprise of lymphocytes or T-cells which directly fight
invading molecules and B-cells which produce antibodies that respond to harmful
molecules, facilitating their removal by other immune cells. The immune system
also contains phagocytic cells such as macrophages and neutrophils, which eliminate
the debris created from the destruction of harmful cells and tissues at the
site of infection. Impairment of any of these functions can weaken your immune
system
Boosting the immune system is
very beneficial and relatively easy through lifestyle changes and some simple
home remedies...
Here are the top 10 home
remedies to boost immunity.
Vegetables:
Vegetables such as carrots,
broccoli, pumpkins, kale, beetroot, cabbage, cauliflower, eggplant, French
beans, green pepper, okra, onions, tomatoes and many other vegetables are
important in our diet as they have been shown to improve immunity. The regular
intake of vegetables is highly recommended for a healthy body.as well as green
leafy vegetables are a wonderful source of vitamins and minerals. Vitamins such
as vitamin A, E, B1, B2, and B9 are found in many green leafy vegetables. These
vitamins are some of the most essential for a good immune system.
Garlic:
Garlic is a natural immune
booster. A 2009 study published in Environmental and Molecular Mutagenesis
found that garlic enhances immune functions and has antibacterial, antifungal
and antiviral activities.Its active ingredient allicin
helps fight infection and bacteria. In addition, garlic has vitamins C and B6
along with the minerals selenium and manganese that help boost the immune
system.Eat 2 to 3 raw cloves of garlic
on an empty stomach daily.
Also, add crushed garlic to
your dishes. Avoid cooking garlic too much as it can destroy its active
compounds.
You can also take garlic
supplements, but only under a doctor’s supervision.
Fruits:
Fruits are also a great source
of vitamins and minerals. The daily intake of fruits will increase the immunity
against diseases in the long run. Citrus such as oranges, mandarins,
grapefruit, lemons and limes are an excellent source of vitamin C which helps
maintain the body’s defence against bacterial infections. Citrus has a unique
type of fiber that, in studies, appears to dramatically reduce cholesterol
& Vitamin C helps in
building up immunity system naturally and acts as an antioxidant.
Turmeric:
Curcumin is the active
ingredient in Turmeric, responsible for the distinct yellow colouring and the
impressive list of health properties. Curcumin is anti-inflammatory,
antioxidant, antibacterial, detoxifying and amazing for digestive health.
Turmeric has been linked to the prevention of cancer cell growth and management
of inflammatory conditions such as arthritis, asthma, eczema and inflammatory
bowel disease. It is a nutritional powerhouse, rich in manganese, zinc, B group
vitamins and iron. It also contains curcumin, whose antioxidant
action improves the functioning of the immune system
Mashroom:
This
mushroom hails from northern Japan and is recognized by the American Cancer
Society to boost immunity and to limit and even reverse tumor growth.
Maitakes (and all of these great mushrooms) are high in
compounds called beta glucans, which are helpful sugars (polysaccharides) found
in the cell walls of bacteria, fungi, yeasts, and algae. Research from NYU’s
Langone Medical Center shows beta glucans alter white blood cells and modulate
immune function. They have been successfully used in combination with other
therapies for high cholesterol, diabetes, Cancer, HIV/AIDS, and to boost
immunity in those with chronic fatigue syndrome.
Ginger:
Studies have shown that ginger
has potent antioxidant, anti-inflammatory and antimicrobial properties. It
helps to boost immune function and combat cellular damage. This gut friendly
spice stimulates digestion, gut motility and bowel function, while helping to
relieve bloating, cramping and nausea. A recent study also found ginger to be
as effective as pharmaceutical agents in relieving PMS pain in women.
Green Tea:
Green tea is considered as
another source of antioxidants, polyphenols, anti-inflammatory, and
anti-carcinogenic properties. Studies [14] conducted at the Department of
Dermatology at the University of Alabama have concluded that green tea actually
helps in boasting the immunity system. The study had also found that green tea
has the ability to counteract the effects of over-exposure to UV light.
Vitamin D:
According to a 2011 study
published in the Journal of Investigative Medicine, vitamin D plays a key role
in modulating the innate and adaptive immune responses.
A deficiency of vitamin D is
associated with increased autoimmunity as well as increased susceptibility to
infection. Hence, to boost your immunity, try to maintain the adequate amount
of vitamin D in your body
- As sunlight triggers the production of vitamin D in the body, expose your body to early morning sunlight for 10 to 15 minutes daily.
- Also, include foods high in vitamin D, such as fatty fish like salmon and mackerel, organ meats, cheese, egg yolks, some mushrooms and foods fortified with vitamin D.
- You can also take vitamin D supplements after consulting a doctor
Maintain a Healthy Weight:
One of the disadvantages of
being overweight is the decreased level of functioning of our immune system.
Research has shown that the immune system of overweight people was not as
active as the immunity system of healthy individuals. So decreasing your weight
along with balanced diet will improve your immunity. Too
many fat cells trigger the release of pro-inflammatory chemicals in the body,
causing chronic inflammation. This inflammation can damage your tissues,
leading to a weak immune system. So always have a balanced diet to maintain
your ideal weight
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