Vegetarian diet and longevity

Vegetarian diet and longevity

Life Expectancy is arguably the most objective and quantifiable measure of health. Most recent studies consistently show that vegetarian sample populations have longer life expectancies than the general populations. However, it has been pointed out that people who are vegetarian tend to have a higher socio-economic status, which is associated with a healthier life style in regard to smoking, alcohol, exercise and "better diet" (such as increased intake of fruits and green vegetables which does not relate to the decision not to eat meat). The question is whether being vegetarian alone could account for any increase in life expectancy when these factors have been taken out.

In "Mortality in vegetarians and nonvegetarians: detailed findings from a collaborative analysis of 5 prospective studies" five major studies (three in Britain, one in Germany, one in U.S and one in Italy) of this kind were cross examined. It was found that the mortality ratio was the lowest in fish eaters (0.82) followed by occasional meat eaters (0.84) and vegetarians (0.84) which was then followed by regular meat eaters (1.0) and vegans (1.0).

These statistics do not mean that fish eating is the healthiest diet. In "Mortality in British vegetarians" , it was concluded that "British vegetarians have low mortality compared with the general population. Their death rates are similar to those of comparable non-vegetarians, suggesting that much of this benefit may be attributed to non-dietary lifestyle factors such as a low prevalence of smoking and a generally high socio-economic status, or to aspects of the diet other than the avoidance of meat and fish."

Health

It is already long established in science that a number of lifestyle choices such as smoking, exercise and alcohol influence health and longevity. However, scientific studies so far fail to show that the decision to forgo meat contributes independently to people's life expectancy.

Another claim repeatedly made by vegetarian advocacy groups is that vegetarians suffer less from heart problems. This claim is true as was in the case of mortality rate. Studies which include the above, consistently confirm that vegetarians suffer less mortality from ischemic heart disease. Since there is no evidence that a vegetarian diet causes longer overall life expectancy, one cannot equate decreased mortality rate from ischemic heart disease to overall decrease in mortality or overall health.

Moreover, occasional meat eaters also achieve statistically similar mortality rates indicating that this does not relate to the decision to exclude meat completely. Yet, both vegetarian and vegan advocacy groups invariably promote their diet as healthy while claiming that the diet which includes meat and/or fish is inherently unhealthy. Critics argue that these groups are engaging in scientific misrepresentation in direct opposition to public interest by diverting people's attention from already scientifically proven health factors. These include moderate exercise, moderate alcohol intake, not smoking and sufficient intake of fruits and green vegetables.

Firstly, your arteries begin to clean themselves as soon as you start replacing meat with vegetable foods and sauces. The diets that are most commonly eaten by those who have longer lives are low in saturated fats and high in fiber, vitamins.

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