![]() ![]() This could make more people interested in taking up the vegan diet for health reasons.” ![]() “We need to take these fears away, or get to know the long-term consequences. While low cholesterol is protective for heart disease and ischemic stroke, there’s some evidence showing that low cholesterol levels (associated with the vegan and vegetarian diet) may be linked to a small risk of haemorrhagic stroke. Haemorrhagic stroke is caused by a bleeding in the brain. Researcher Tammy Tong, nutritional epidemiologist at the University of Oxford, says the higher risk of haemorrhagic stroke could be for several reasons. The researchers found that those who didn’t eat meat had 10 fewer cases of heart disease and three more strokes per 1,000 people compared with the meat-eaters. They found that people who eat vegan and vegetarian diets have a lower risk of heart disease, but a higher risk of stroke, possibly partly due to a lack of B12. ![]() Read more from The Vegan Factor on BBC Good FoodĪ recent study involving 48,000 people over 18 years compared the health of meat-eaters, pescatarians – who eat fish and dairy but not meat – and vegetarians, including some vegans. “A B12 deficiency can lead to neurological symptoms such as numbness, and it’s irreversible if the deficiency is present for too long,” says Janet Cade, of the Nutritional Epidemiology Group, School of Food Science and Nutrition. It's recommended that adults consume 1.5 micrograms of the vitamin per day. B12 helps prevent nerve damage, and is found in meat, fish, eggs and dairy, but not in fruit or vegetables. One common concern is whether a vegan diet provides enough vitamin B12. The vegan diet is generally considered to be higher in fibre and lower in cholesterol, protein, calcium and salt than an omnivorous diet – but there are still misconceptions and concerns around cutting meat, fish, eggs and dairy completely from our diets. One common motivation for shunning steak and stilton and going vegan is the promised health benefits. The number of vegans in the UK, for example, quadrupled between 20, according to research by The Vegan Society. ![]() The number of people cutting down on meat and dairy, or cutting these foods from their diets entirely, has been rising over the last decade. Powerlifting record holder Patrik Baboumain, Tour de France champion Chris Froome and, of course, seven-time Mr Olympia champion Arnold Schwarzenegger have swapped turkey for tofu.īut, with the help of their nutritionists, they’ve been able to swap in plant-based alternatives safely.To mark the end of a turbulent year, we are bringing back some of our favourite stories for BBC Future’s “Best of 2020” collection. Some of the best athletes in the world are meat free. That’s not to say you can’t build strong bones and muscle on a plant-based diet. “Others such as iron and calcium are found in small quantities in plants, but are significantly less bioavailable, which mean they’re less able to be absorbed by the body.” “You will need to make smart swaps – especially when it comes to nutrients like B12, creatine and omega 3 fatty acids, which are found almost exclusively in animal products,” says Dr Bradley. ![]()
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