Health Information
Normal Blood Pressure
December 5, 2007 on 9:28 pm | In Main, Fitness | 12 CommentsBlood pressure (strictly speaking: vascular pressure) refers to the force exerted by circulating blood on the walls of blood vessels, and constitutes one of the principal vital signs. The pressure of the circulating blood decreases as blood moves through arteries, arterioles, capillaries, and veins; the term blood pressure generally refers to arterial pressure, i.e., the pressure in the larger arteries, arteries being the blood vessels which take blood away from the heart. Arterial pressure is most commonly measured via a sphygmomanometer, which uses the height of a column of mercury to reflect the circulating pressure (see Non-invasive measurement). Although many modern vascular pressure devices no longer use mercury, vascular pressure values are still universally reported in millimetres of mercury (mmHg). The systolic arterial pressure is defined as the peak pressure in the arteries, which occurs near the beginning of the cardiac cycle; the diastolic arterial pressure is the lowest pressure (at the resting phase of the cardiac cycle). The average pressure throughout the cardiac cycle is reported as mean arterial pressure; the pulse pressure reflects the difference between the maximum and minimum pressures measured. Typical values for a resting, healthy adult human are approximately 120 mmHg (16 kPa) systolic and 80 mmHg (11 kPa) diastolic (written as 120/80 mmHg, and spoken as “one twenty over eighty”) with large individual variations. These measures of arterial pressure are not static, but undergo natural variations from one heartbeat to another and throughout the day (in a circadian rhythm); they also change in response to stress, nutritional factors, drugs, or disease. Hypertension refers to arterial pressure being abnormally high, as opposed to hypotension, when it is abnormally low. Along with body temperature, blood pressure measurements are the most commonly measured physiological parameters.
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Multivitamins for men
June 10, 2007 on 8:33 am | In Fitness | 3 CommentsMulti Vitamin & Multi Mineral for Men: No matter how healthy you eat, it is unlikely that you will absorb all necessary vitamins and minerals purely from food. Many important nutritional components you need to maintain stamina, vitality, and energy are not part of today’s modern diet. A good multivitamin supplement will help maintain proper biological balance and assist in avoiding disease.
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Boost To Strength & Recovery From Deer Velvet
March 6, 2007 on 6:39 pm | In Fitness | 3 CommentsThe New Zealand Game Industry Board and AgResearch are working hard to prove scientifically - that New Zealand deer velvet may have a positive effect on athletic performance.
A joint venture between the New Zealand deer industry and AgResearch directs investment of over one million dollars per year into research on deer velvet to understand what makes it special.
The latest round of human clinical trials conducted by the Otago University Human Performance Centre has produced statistically significant results. The trials indicate a possible link between New Zealand deer velvet and improved athletic performance on two fronts; improved strength and endurance in response to training, and improved recovery from muscle tissue damage associated with exercise.
“In fact we have seven athletes at the Sydney Olympics who are taking New Zealand deer velvet,” says MJ Loza, General Manager Marketing at the New Zealand Game Industry Board, “including 1998 Commonwealth Games champion cyclist Glen Thomson, and Olympic bronze medalist Gary Anderson.
The first health care claim of deer velvet antler to be substantiated by scientific evidence, in compliance with US Food and Drug Administration dietary supplement regulations, was announced by the North American Elk Breeders Association (NAEBA) recently. Executive Director Ben Coplan said the determination, made by two consulting firms hired by NAEBA, Nutrinfo of Watertown, Massachusetts and Tradeworks Group, Inc. of Brattleboro, Vermont, is a significant breakthrough for the nation’s 1,400 breeders of farm-raised elk.
According to Coplan, the Nutrinfo report states there is a reasonable basis to claim that velvet antler helps relieve the symptoms of arthritis. However, a disease claim may not be used for a dietary supplement in the US; therefore, the acceptable statement for product labels and advertisements of a dietary supplement would be “provides nutritional support for joint structure and function.”
Velvet deer antler is named after the soft, velvet-like covering that deer antlers have before they turn bony. Antlers are organs of bone which regenerate each year from the heads of male deer. In addition to bone, support tissues such as nerves also regenerate. Nerves grow up to 1 cm each day. Deer antler velvet contains many substances including amino acids, minerals, proteins, anti-inflammatory peptides, hormones, gangliosides and glycosaminoglycans, and Insulin-like Growth Factor-1. The composition of velvet supplements depend on the diet of the deer, climate, time of year, age of stag and the various concentrations of substances in different regions of the antler velvet itself.
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