Until H1N1 vaccines are available the general public has little or no protection against swine flu.   So what can you do to arm yourself against the flu?  You can start by taking steps to strengthen your immune system.

Source: my.clevelandclinic.org/

How can I strengthen my immune system?
While it is difficult to enhance a normal functioning immune system, there are things that you can do to protect and strengthen your immune system during periods of illness or in the face of chronic disease. The three areas that are most important in protecting and bolstering the immune system are diet and nutrition, exercise, and stress reduction.

Diet, nutrition, and immunity
There have been many excellent books written about the relationship between diet, nutrition, and immunity. (Please refer to the reading list below.) There are two major changes you can make in your diet to help your immune system. First, you can enrich your diet with antioxidants and, second, you can make sure you are getting enough nutrients and micronutrients.

Antioxidants
Antioxidants are vitamins and minerals, found in foods and available as supplements, that remove harmful oxidants from the bloodstream. Oxidants, also known as free radicals, are the toxic byproducts our bodies make when we turn food into energy. They are also byproducts of cigarette smoke, pollution, sunlight exposure, and other environmental factors. Free radicals are capable of damaging DNA and suppressing the body's immune system.

Free radicals also play an important role in the development of many human diseases. In fact, there are several journals now dedicated to their study and investigation. Nearly all types of cancers have been related to diets that are poor in antioxidants. Data from some research also suggest that a diet high in antioxidants might also protect against cancer.

Heart disease and atherosclerosis (hardening of the arteries) are also brought about, in part, by free radicals. Certain diseases of the central nervous system — such as dementia and some forms of kidney, gastrointestinal, and skin disease — also involve free radicals. You cannot prevent these diseases simply by taking antioxidants. You can, however, ensure that you are doing everything possible to lessen their effects. Most importantly, you should eliminate environmental factors that promote the production of free radicals.

Nutrients and micronutrients
Marginal nutrient deficiencies in the diet can also weaken the immune system. Marginal deficiency is a state of gradual vitamin loss that can lead to a general lack of well being and impairment of certain biochemical reactions. Marginal deficiencies of micronutrients (nutrients required only in a small amount) do not cause obvious symptoms of disease, but they can affect your mental abilities, your coping abilities, and your body's ability to resist disease and infection. They might also slow your recovery from surgery.

Marginal nutrient deficiencies are very common in both younger and older individuals. The typical American diet is often deficient in a variety of nutrients including calcium, iron, vitamin A, and vitamin C. Furthermore, the recommended daily allowance (RDA) for many nutrients might be well below what is needed to optimally protect the immune system. For this reason, vitamin and mineral supplements are used to protect us against micronutrient deficiencies.

Foods
You can further modify your diet by eating less saturated fat and animal protein (particularly red meat), by limiting dairy products (particularly those with fat), by modifying your use of oils and fats, and by eating more fresh fruits, vegetables, and whole grains.

Take a minute to examine your diet. How many times a week do you eat fried foods or red meat? What types of oils do you use in your cooking? Do these oils include cooking oil as well as butter and margarine? What types of garnishes and sauces do you use? Do they contain egg yokes or oils? What types of dairy are you consuming? If you drink milk, which is good for you, is it anything less than skim or 1%? Do the yogurts and cheeses you eat contain a lot of fat?

Recommendations
Try eliminating red meat from your diet or, if necessary, eat it no more than once every 10 days. Also eliminate or reduce your intake of fried meats. Try to replace the meats in your diet with servings of fish, particularly oily fish such as salmon. Salmon contains a rich form of an oil known as omega-3 fatty acids, which has natural anti-inflammatory properties.
Use only olive oil in your cooking. Olive oil is rich in mono-saturated fats. All other oils, with the possible exception of canola oil, have unfavorable types of fats for the immune system. Avoid excessive use of margarine. Though most margarines are unsaturated in their fat content they are artificially prepared and the long-term effects of their use are not known. Try to minimize the use of all fats, but wherever possible use olive oil in cooking and for dressing salads.
Eat more fruits and vegetables. Green leafy vegetables such as broccoli are very rich in antioxidants. Add several servings a week to your diet. Do not overcook them and think of creative ways to prepare them. Add more servings of other fruits and vegetables to your diet, as they are rich sources of antioxidants as well.
Add fiber to your diet. Fiber can be found in many types of whole grains. If you are going to add rice, which is healthy, try to add brown rice. Brans and cereals are also helpful, but avoid those with any form of artificial sugar.
Drink plenty of water.
If you follow these guidelines, you will move your diet in the proper direction toward protecting your immune system. As an added benefit, you will be following a diet that is also good for your cardiovascular system. (These recommendations are similar those of the STEP II diet promoted by the American Heart Association.)

Ideally, fat should account for less than 30 percent of your total calories. Less than 7 percent of your total calories should come from saturated fats. In addition, you should try to eat less than 200 milligrams (mg) of cholesterol per day.

Nutritional supplements
Much has been said about nutritional supplements and their ability to enhance or protect health. While there is a lot of debate in the medical literature, and many doctors do not discuss their use with their patients, some CFS specialists believe that nutrients can provide a measure of protection for the immune system. No matter how well you design your diet for nutrition, you can still augment it with supplemental antioxidants. Some of the best studied and most readily available as supplements are beta carotene, selenium, vitamin C, vitamin E, and vitamin A.

Supplementing your diet with a balanced multivitamin is essential. To do this, you should add beta carotene in a dose of 25,000 international units (IU) twice per day. In addition, vitamin C in doses of at least 500 to 1000 mg a day is recommended. Why these vitamins? Beta carotene is one of the most potent nutrients and can protect the body from oxidative stress. Populations that have diets high in beta carotene have a lower incidence of certain forms of cancer.

Several studies have shown that beta carotene supplements can do little to reduce cancers in people who smoke cigarettes. This fact should not be surprising. Dietary modifications are made to bring back a failing immune system or to protect a healthy immune system, not to overcome overwhelming toxic effects of activities such as smoking.

Vitamin C is also an extraordinarily important antioxidant. While many studies have shown that daily ingestion of vitamin C does little to protect you from the common cold, it can reduce the severity of colds. Furthermore, there are several controlled studies performed in populations of people working under heavy stress that have shown a profound protective effect of vitamin C in terms of common colds and pneumonia.

Other nutrients that might be helpful include selenium in doses of 200 micrograms (mcg) per day and vitamin E in doses of 400 IU per day. Many over-the-counter vitamins with similar doses are available. There is no difference between natural vitamins and synthetic vitamins.

Exercise and immunity
Even more so than nutrition, exercise has the capacity to protect and even enhance the immune response. Experimental studies have shown that a regular exercise program of brisk walking can bolster many defenses of the immune system, including the antibody response and the natural killer (T cell) response.

Fortunately, the intensity and duration of exercise needed to support the immune system is less than that needed to provide the best cardiovascular training. Thus, even relatively low levels of aerobic exercise can protect your immune system. Twenty to 30 minutes of brisk walking five days per week is an ideal training program for maintaining a healthy immune response.

Exercise can also improve your mental wellness. Regular aerobic exercise can help relieve mild to moderate degrees of depression and anxiety. People who exercise also have less loneliness and anger, and are better able to control their own destiny. It is not clear whether exercise boosts the immune system directly or works through a link with the brain and nervous system.

Stress and immunity
The final component for fine-tuning your immune system is reducing the stress in your life by achieving a higher level of spiritual harmony. Altered mood states such as depression, anxiety, and panic are harmful to the body in many ways. Secondary symptoms such as fatigue, difficulties with memory and concentration, aches and pains, and problems with sleep are common in people with mood disorders. Mood disorders also harm the immune system.

There are many techniques you can use to reduce stress and anxiety in your life. Guided imagery involves focusing on mental images, such as a serene setting. You can also try yoga or tai chi, which combine both mental and physical exercise, and can help heal the mind and the body. You might consider using biofeedback, a process in which you monitor certain functions of the body, such as blood pressure, and learn to alter these functions through relaxation. Other simple techniques include breathing exercises or taking a walk and appreciating the beauty in the world around you.

For people who have severe mood disorders, antidepressants and other psychotropic medicines, as well as counseling, are essential.

Putting it all together
Diseases such as chronic fatigue syndrome, fibromyalgia, and many other poorly understood illnesses should no longer be viewed as disorders of either the mind or the body. The mind and body act as one unit and thus we must approach them together.

To maintain the strongest immune system possible, you must have a nutritious diet, get regular exercise, and reduce stress in your life. You must attend to all three of these areas to achieve your optimum health.

Some people eat a nutritious diet and exercise regularly, but are so keyed up in their lives that their stress levels overcome all of the success they achieve in the first two areas. Other people might have successfully modified their mental and spiritual state but are eating unhealthy diets or are sedentary. Others might make significant advances in all three areas, but are doing foolish and harmful things to their bodies, such as smoking or using excessive alcohol, which take away from their achievements.

Dr. Andrew Weil, noted author and director of the program in integrative medicine at the University of Arizona, has written extensively about the body's ability to heal itself. Many health care providers have witnessed people overcome complex medical illnesses without the assistance of medicine. Though medicines are vital for overcoming many acute illnesses, they might be less important in overcoming chronic diseases.

You can take advantage of the body's inner ability to heal by eating well, exercising regularly, and striving for spiritual well-being. Eliminate other negative factors such as drugs, alcohol, tobacco, and other insults to the your body. Only you can put it all together and it cannot be achieved overnight. There is no better time to start than now.

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Comments (3)

 Santosh Patil says:

2009-Oct-29 06:36

8 Foods to fight Flu!

Hello,
I like your article it’s very informative for all of us,
The first step in the fighting the flu is improving your immunity. This can be done eating a healthy diet. Having these in your diet especially boosts your immunity. But remember that “eating them overnight won’t prevent it; it takes 6-8 weeks for the body to build immunity”, says Dietician Dr. Shweta Iyangar.
http://www.medimanage.com/my-diet/articles/8-foods-to-fight -flu.aspx

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 Mary says:

2009-Oct-13 21:45

Germ-Prevention

My child came home from school saying that they learned to cough and sneeze into their elbow with Germy Wormie, and I was totally taken aback. I always covered with my hands. But I went to the website and now I get it, hands touch, elbows don't!! Kids can touch 300 surfaces in 1/2 hour and they hate to wash their hands. This is a simple thing that can make a huge difference.

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 KAS says:

2009-Oct-13 09:10

Rice Oil for health

I use rice bran oil to cook with because rice oil has more antioxidants and vitamin E than olive and canola. I use walnut oil for salads.

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