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A new review of past studies shows vegetarians have lower blood pressure than those who consume meat. The review was conducted by researcher Yoko Yokoyama, Ph.D., M.P.H. and her team at the at the National Cerebral and Cardiovascular Center in Osaka, Japan.
Yokoyama and her colleagues looked at seven clinical trials and 32 studies published from 1900 to 2013, for which nearly 22,000 participants ate a vegetarian diet. Net differences in participant blood pressure were measured while 'going veggie,' with findings including a reduction in the average systolic and diastolic pressure. This was compared to those eating an omnivorous, or plant and animal, diet.
All 32 studies indicated lower systolic and diastolic BP from eating a vegetarian rather than an omnivorous diet.
The researchers note that switching to a vegetarian diet is a way to lower blood pressure without medication, which is expensive and often includes side effects. Read more about going vegetarian may have more health benefits than staying non-vegetarian.
This new review was published in JAMA Internal Medicine.
'Further studies are required to clarify which types of vegetarian diets are most strongly associated with lower BP,' Yokoyama said.
Past studies analyzing vegetarian diet in regards to blood pressure include a May 1983 study published in the American Journal of Clinical Nutrition that found blood pressure was lower among vegetarians regardless of age. An October 2012 study from Loma Linda University in California concluded that 'vegetarians, especially vegans, with otherwise diverse characteristics but stable diets, have lower systolic and diastolic BP and less hypertension than omnivores.'
Vegetarianism has also been shown to lower risk of heart disease. A 2013 study by the University of Oxford's Cancer Epidemiology Unit that followed over 44,500 volunteers for about 11 years found vegetarians were a third less likely to develop this health problem. Read more about foods that can keep your heart healthy.
According to the American Heart Association, blood pressure readings under 120 mm Hg systolic and 80 mm Hg diastolic (120/80) are normal. High blood pressure is 140/90 and over.
Other health benefits of going vegetarian
Besides being good for your heart, going vegetarian may have other health benefits too. It can help reduce the risk of cancer, diabetes, obesity along with improving your immunity. That said, meat has calcium and protein which are also essential for your body. Make sure you get these nutrients from soya, chickpeas (chana), red kidney beans (rajma), sprouts, tofu, almonds and walnuts in order to prevent any condition caused due to a nutritional deficiency. Here are some healthy, yet tasty recipes that you can try - Stir-fried tofu with vegetables, Spicy sesame noodles, Curried chickpea pita pockets, Vegetarian chilli with mixed beans.
With inputs from AFP
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