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A vegetarian diet that does not eat meat is usually considered healthy because it does not consume the lipids of meat and the additives used to process meat. However, a study found that a vegetarian diet increases the risk of stroke draws attention.
This study was conducted by a research team at Oxford University Graduate School of Health. This is using Epic-Oxford data on nutritional health, which is based on vegetarianism in the country. The research team measured the likelihood of stroke among non-vegetarian and vegetarian diets based on a survey of 48,188 people aged 45 years and 18 years on average.
As a result of calculating the risk of stroke for non-vegetarians and vegetarians, taking into account factors thought to be related to stroke, such as medical history, smoking, and physical activity, vegetarians have a 20% higher risk of stroke than non-vegetarians and 22% of heart disease, a type of ischemic heart disease. It turned out to be lowered. In the case of Pescetarianism, who does not eat meat other than fish, the risk of stroke is the same as that of non-vegetarian diet, and the risk of ischemic heart disease is 13% lower than that of vegetarian diet.
Although the detailed cause of the difference in the risk of stroke and ischemic heart disease is unknown, the research team estimates that cholesterol levels and lack of some nutrients may be the cause. There have also been several reports of studies showing that lack of vitamin B12 or too low blood cholesterol increases the risk of hemorrhagic stroke.
The research team found that vegetarian diets have a higher risk of stroke, but a lower risk of ischemic heart disease. As a result of the study, the incidence of ischemic heart disease is higher than that of normal strokes. They say it’s a misunderstanding to think it lowers the risk. He also explained that Pesco’s stroke risk was the same as a non-vegetarian diet because fish contained cholesterol and vitamin B12. Related information can be found here .
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