Changes in our cardiovascular system affect its overall function. The cardiovascular system responds less efficiently to various stresses with age. Disease in the heart muscle, heart valves, and coronary arteries mask any age-related changes. More on cardiovascular disease.


The Heart

The heart grows slightly larger with age. Maximal oxygen consumption during exercise declines in men by about 10 percent with each decade of adult life and in women, by about 7.5 percent. However, cardiac output stays nearly the same as the heart pumps more efficiently.

Cardiovascular Circulation

The ability of the heart to contract include a prolonged contraction time, decreased response to various medications that ordinarily stimulate the heart, and increased resistance to electrical stimulation are noticeable with age.

The elastic properties of the heart muscle are also altered. Source Image: Pearce Prentice Hall

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Blood Vessels

Irregularities in size and shape develop in the cells that line blood vessels, and the layers in the blood vessel wall become thickened with connective tissue. Our large arteries increase in size and thickness. The blood vessel walls become less flexible making it harder to pump blood to the extremities. Nutrition and diet play an integral part in maintaining the health of your vascular system. Hardening of the arteries is known as arteriosclerosis.

Supplements to help maintain a healthy vascular system.



The cells responsible for producing heartbeats become infiltrated with connective tissue and fat. Similar but less dramatic changes occur in other parts of the heart's electrical system. These changes do not appear to be due to poor blood supply. Arrythmia [ irregular heart beat] becomes more common with age. Milder forms show improvement with nutritional support. The following mix was recommended by a local cardiac specialist.

The three nutrients should be taken together, in the proportions above. Please consult your doctor first, as some items may impact other conditions or medications. Alternatively you may find it more convenient to use a Healthy Heart Formula


Max Heart Rate

Changes in a linear manner and may be estimated by subtracting our age from 220. Aerobic exercise is the most effective means of maintaining a health heart; but care should be taken to ensure that you stay within the maximum heart rate for your age range. For superior results, try High Intensity Interval Training. Using a heart rate monitor is advised. These are not expensive and help ensure you are getting the maximum results as well as protecting your heart.

Heart Rate Monitors


Resting Heart Rate

The amount of blood pumped by the heart over time (cardiac output) do not change. The cardiac output with work may increase, even though there is a decrease in the maximum heart rate. This increase in cardiac output occurs because the amount of blood pumped with each beat increases to compensate for the decreased heart rate with age.


Blood Flow

Blood flow within various organs varies: In the kidney it may decrease by 50 percent, and in the brain by 15 to 20 percent. Following stress, it takes longer for our heart rate and our blood pressure to return to resting levels.


Blood Pressure

Increases with age due to stiffness within the blood vessels. Prolonged periods of high stress and regular physical activity have a significant impact. Many natural suppplements for hypertension [high blood pressure] support the adrenal system to reduce stress. More on hypertension.

Anti Stress Formula 

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NEXT: Changes In Respiratory Function With Age

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