In a long-term study of the health of the people of in the United States, the U.S. Public Health Service documented the chances of developing heart disease among various groups, in the population. Long before any symptoms appeared, epidemiological research could identify high-risk groups. The highest risk factors occur in males, over 35, cigarette smoking, high blood pressure, high levels of certain blood fats and a family history of cardiovascular disorders.

Other researchers have added to this list, another risk factor: the compulsive, hard-driving, highly anxious personality. The greater the severity of the stress, the greater the person’s overall risk of heart problems.

These threats to the heart can be divided into two main categories:

a) those beyond individual control, such as age, sex, and heredity, and
b) those that can be controlled, avoided, or even eliminated by the individual.

Among those in the second category, are what cardiologists call “the triple threat.” These are the high blood pressure, cigarette smoking, and high cholesterol levels in the blood.

If you smoke a pack of cigarettes a day, your risk of having a heart attack, is twice that of a non smoker. If you smoke, have hypertension, and eat a diet high in fats, without any exercise at all, your risk is five times greater than normal.

The Healthy Heart

If these risk factors endanger the heart’s health, what enhances it's well-being and improves it's odds, of working long and well?

Obviously, quitting cigarettes and eating a low-fat diet will help. The next best thing you can do, for your heart’s sake, and for better all round health, is to give it what it needs: regular exercise, or a complete cardio interval training.

The heart is a muscle, or, more accurately, a group of muscles, similar in many ways, to the muscles of the arms and legs. And just as exercise strengthens and improves limb muscles, it enhances the health of the heart muscles, as well.

Since World War II, several large-scale statistical studies, have evaluated the relationship between physical activity and cardiovascular disease. One well-known survey compared 31,000 drivers and conductors, of some bus companies. The more sedentary drivers had a significantly higher rate of heart disease, than the conductors, who walked around the buses and climbed stairs to the upper level.

The why and how behind these statistics, were better explained, by classic experiments with dogs, whose coronary arteries were surgically narrowed, to resemble those of humans with arteriosclerosis. Dogs that were exercised, had much better blood flow, than those kept inactive.

The exercise seemed to stimulate the development of new connections, between the impaired and the nearly normal blood vessels, so exercised dogs had a better blood supply, to all the muscle tissue of the heart. The human heart reacts in the same way, to provide blood to the portion, that was damaged by the heart attack.

To enable the damaged heart muscle to heal, the heart relies on new, small blood vessels, for what is called collateral circulation. These new branches, on the arterial tress, can develop long before a heart attack — and can prevent a heart attack, if the new network takes on enough of the function, of the narrowed vessels.

With all these facts, it is now boiled down, to a single question: What should be done, in order to prevent such dilemmas?

Some studies showed that moderate exercise, several times a week, is more effective in building up these auxiliary pathways, than extremely vigorous exercise, done twice a week.

The general rule is that exercise helps reduce the risk of harm, to the heart. Some researches further attested the link between exercise and a healthy heart, based from the findings that the non-exercisers had a 49% greater risk of heart attack, than the other people included in the study. The study attributed a third of that risk, to sedentary lifestyle alone.

Hence, with employing the cardio interval training, you can absolutely expect positive results, not only on areas that concern your cardiovascular system, but on the overall status of your health, as well.

This particular activity, that is definitely good for the heart, is a cycle of “repeated segments,” that is of an intense nature. In this process, there are interchange periods, of recuperation. It can both be comprehensive activity and moderate motion.

Consequently, the benefits of merely engaging into this kind of activity can bring you more results, than you have ever expected. These are:

1. The threats of heart attack are lessened, if not eliminated
2. Enhanced heart task
3. Increased metabolism, increases the chance of burning calories, therefore, assists you in losing weight
4. Improves lung capacity
5. Helps lessen, or eliminate the case of stress

Indeed, cardio interval training is the modern way, of creating a healthy, happy heart and body.

It’s the same old story that has been handed down for umpteen generations: eat healthily and exercise regularly. Sleep well and have a time of relaxation, or pursue a hobby. If you don’t look after your body and mind, they won’t look after you.

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Clinton Robson is a South African fitness fanatic and is a qualified Personal Trainer and Exercise Specialist. Clint has been working out since 1996 and has been working in the Fitness Industry since 2001. He has a proven track record, with many success stories. He has worked in several countries around the world and has also run the gyms on 5 and 6 star cruise ships. Clint prides himself with working with many different types of people, even those with illnesses, obesity, hypertension, renal failure, as well as fit people, right up to elite athletes.  He writes articles on many fitness topics, such as training, bodybuilding, working out, fat loss, nutrition, supplements and more. Visit his blog at Fitness And Fatness, by clicking here, or by copying this link: http://www.fitnessandfatless.yolasite.com