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in one of the most important studies to date, researchers at Loma Linda University in California report that vegetarians survive meat eaters.
Among a group of 70,000 participants, the researchers found that vegetarians had a 12% lower risk of death compared to non-vegetarians. The effect was true for other specific vegetarian diets, the study, which is published in the journal JAMA Internal Medicine . For example, vegans also had a lower risk of death compared with nonvegetarians.
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Vegetarian diets have been linked to the research before a low likelihood of developing chronic diseases such as heart disease or diabetes, but the underlying mechanisms are still under investigation. "We can not tell from this document being sure, but one of the most plausible potential reasons that contribute to this beneficial association is perhaps the absence or reduction of meat consumption," says Dr. Michael J. Orlich, director of preventive medicine residency at Loma Linda University.
red meat was fingers as a potential culprit because of its high levels of saturated fat and cholesterol this can clog arteries. in April, another study showed that carnitine compound also found in red meat, is metabolized by the human intestinal bacteria and fills the blood vessels.
Although ' there is a good amount of evidence linking red meat consumption to increased mortality, other factors could also be involved. "it could also be that consumption of various plant foods can be advantageously combined with reduced mortality, so we really want to discuss these things on the level of food in the future, "said Orlich.
Interestingly, the researchers also found that the association between vegetarian diets and lower mortality was higher in men than in women. The men had lower rates of cardiovascular disease and death from heart conditions. Women are not the same measurable reductions.
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"I do not have strong speculation, but it could be that diet plays differently due to biological factors in men and women, "said Orlich, who plans to look deeper into what foods and specific nutrients may be responsible for the association. Understanding what motivates the link is complex, and it may be different for various groups and individuals. For example, a British study of vegetarianism in more than 47,250 participants did not find the same results in mortality. The fact that American vegetarians consume more fiber and vitamin C might be the reason, which emphasizes the need for a better understanding of how the longevity diet impacts.
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