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EXERCISE BRISKLY EVERY DAY

by admin - March 23rd, 2009.
Filed under: Herbal.

Ever since oncologist O. Carl Simonton, M.D. noted that cancer patients who exercised had a significantly higher recovery rate than those who did not, new evidence has been emerging to prove that exercise enhances immunocompetence.

For example, researchers in athletic medicine have noted a clear relationship between regular physical exercise and a decreased risk of infection. Incidence of cancer in active people is significantly lower than in sedentary people.

In another study, researchers at both Purdue University and the University of Arizona, in studying the combined effects of vitamins C and E plus exercise, found that vigorous exercise enhanced the vitamins’ immunity-building properties. They also discovered that people who exercised and did not take supplements still had appreciably higher levels of T lymphocytes.

Indications are also emerging to show that exercise stimulates activity of macrophages and lymphocytes. Regular daily physical exercise has also been observed to increase levels of lymphokine 1 and interferon, both of which strengthen immunocompetence.

Some researchers believe this is because soon after exercise is begun, the adrenals secrete epinephrine and norepinephrine, neurotransmitters which increase the body’s metabolic rate by as much as 100 percent. Part of this overall stimulation is to increase immune system activity. Epinephrine also constricts nasal blood vessels, causing nasal membranes to shrink and air passages to open up. Thus exercise makes breathing much easier during a cold.

Exercise has also been observed to stimulate the brain to produce painkilling endorphins and enkephalins. Together with epinephrine and norepinephrine, they raise the pain threshold, thereby easing the discomfort of cold symptoms. They also reduce anxiety and create a powerful feeling of wellbeing.

Additionally, exercise has been demonstrated to stimulate release of pyrogen by the immune system. This chemical messenger raises the body’s core temperature slightly above normal for several hours. In the process, the nose temperature is also increased to above its normal high of 95°F. Since cold viruses have difficulty in maintaining biological activity at temperatures above 95°, millions of viral invaders tend to shrivel up and become inactive. Exercise also helps a person relax and sleep during an infection.

While you should certainly not exercise with a fever, nor at any time you do not feel like it, nonetheless the benefits of a brisk walk are plainly obvious. A brisk three to five mile daily walk during a cold should not only shorten the duration but also help keep nasal passages clear, and reduce the severity of other symptoms.

Regular daily exercise throughout the year should produce even greater benefits. Any kind of continuous, rhythmic exercise such as brisk walking, race walking, fogging, brisk bicycling, swimming, aerobic dancing or calisthenics should enhance immunocompetence on a permanent basis. When and if a cold is caught, the immune system is much better prepared to bunch a counterattack.

By exercising regularly throughout the year, you can maintain a level of fitness that will enable you to continue exercising during a cold. Any recommendation to exercise naturally assumes that you are sufficiently fit to undertake the exercise without fatigue or any other risk to your health. If you are not accustomed to regular daily exercise, you should not suddenly begin to exercise vigorously when you have caught a cold. Older persons, smokers, those who are overweight, or anyone with a chronic disease or dysfunction, or who is under medical treatment, should consult a physician before beginning to exercise.

However, if you are in normally sound health, you should be able to take a brisk daily walk without risk to your health.

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