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Home » Diets that Work » What are the health benefits of a vegan diet? – Patient.info

With the number of people exploring veganism growing, and more people just feeling generally curious about what a vegan diet entails, let's explore the benefits of going vegan.

A vegan diet is void of any animal products, such as meat, eggs, milk and honey. It consists exclusively of plant-based products, but there are plant-based alternatives for many non-vegan foods. For some, veganism is not just their diet, but a lifestyle. In this case, they may avoid beauty products that have been tested on animals, avoid wearing real fur or leather, and consider whether something had a detrimental impact on animals before buying it.

Dr Sunni Patel is a gut health coach and he says 'plant-based vegans', who do not necessarily incorporate veganism into all aspects of their lives, often eat:

Dr Patel says there are a number of reasons why people go vegan or embrace a plant-based diet. Most have different goals and motivators for their diet and lifestyle choices.

"Many people turn vegan due to the poor treatment of animals on factory farms, where they live in conditions that are widely condemned," he says.

Those who go vegan for ethical reasons believe the production of animal products causes animals to have suffering or premature death. In this case, someone may live a fully vegan lifestyle shaped by their desire to avoid cruelty to animals at all costs. While there are other benefits of veganism, preventing suffering for animals is the main motivator for ethical vegans.

Veganism also has environmental benefits for those who believe the way animals are mass-produced is bad for the environment.

Dr Patel says the intensive animal agriculture industry has a wide variety of environmental impacts, such as carbon emissions and its role in water pollution and deforestation. Factory farming is actually one of the biggest causes of pollution on a global scale from manure runoff, soil destruction and poisoning of the water table.

"The efficacy of antibiotics decreases when they are over-used on farm animals, as the pathogens they are designed to fight off begin to develop resistance. Antibiotic resistance is considered one of the most dangerous threats the world currently faces," shares Dr Patel.

"A vegan diet can provide many important benefits, from improving heart health to decreasing the risk ofdiabetesandcancers, while providing essential vitamins and nutrients required for a long, healthy life," says Dr Patel.

"Science doesn't lie when it comes to the health benefits of a plant-based diet. It benefits various aspects of life in a number of positive ways, whether that's opening your mind to new recipes, or fighting for the greater cause of animal rights," Dr Patel says.

Vegan diets provide rich sources of fibre and micronutrients that supportgut function. Dr Patel stresses the importance of good gut health to aid digestion and other critical functions, like immunity, skincare,hair health, libido and sleep, as well as mood.

According to multiple studies, animal products can worsen types of inflammatory bowel disease (IBD) -Crohn's disease, for example. They can also worsen irritable bowel syndrome (IBS). While different conditions are triggered by different foods, the lower amount of sulphur in plant protein can provide relief for those who struggle with bowel issues.

A plant-based diet has been shown to reduce people's risk of various cancers.

Soy milk is a vegan alternative to cow's milk, and it has many health benefits, being naturally lactose-free and low in cholesterol. Soy products are also associated with a reduced risk of breast cancer. Research in Shanghai shows women with breast cancer, who consume 11 g of soy protein each day, can reduce their mortality and risk of recurrence by 30%.

A vegan diet can also reduce the risk of breast cancer, since it does not involve dairy. High-fat dairy products, when consumed regularly, have been linked by studies to an increased risk of breast and prostate cancer. Research from the National Cancer Institute, the National Institutes of Health, and the World Cancer Research Fund found that one cup of cow's milk per day increased women's risk of developing breast cancer by 50%.

Additionally, grilled meat releases carcinogens (agents with the capacity to cause cancer in humans). Therefore, not eating grilled meat reduces the risk of these carcinogens interacting with cell DNA and inducing genetic mutations.

Finally, a plant-based diet tends to be more colourful, thanks to fruit and vegetables. The pigments in these foods contain cancer-fighting compounds. For example, the pigment giving sweet potatoes their bright colour (which is known as beta carotene) can help fight cancer. Vegetables like broccoli, kale and cabbage have been linked to reducing the risk of colorectal, lung and stomach cancers.

"It is recommended that we get 30 g of fibre each day, which we generally lack in the UK. So, going plant-based provides an easier way to hit our daily fibre goal," says Dr Patel.

He highlights how important fibre is for our daily needs. For example, insoluble sources of fibre help to bulk up our stools, and soluble fibre allows our stools to absorb water. This makes it easier toavoid constipation.

A vegan diet includes fibre with whole grains (oats, quinoa, brown rice), legumes (split peas, lentils, black beans, chickpeas), and nuts and seeds (chia seeds, almonds, pumpkin seeds).

Other benefits of a high-fibre diet include:

Furthermore, Dr Patel says adding more plants into your diet has been shown to reduce (and in cases eliminate or reverse) symptoms associated with:

A vegan diet has been shown to improve brain health by providing a rich source of antioxidants and polyphenols, which play a protective role. They also promote the production of short chain fatty acids, like butyrate. These benefit gut health, inflammation and brain health.

Dr Patel says there are some occasions where a vegan diet wouldn't be recommended. While health conditions do not necessarily make veganism impossible, they can make it much more difficult.

Ultimately, a plant-based diet is the choice of the individual.

Dr Patel says the cons surrounding veganism often derive from myths or misunderstandings around vegan diets.

"For example, many people assume a vegan diet doesn't give you enough protein. However, plant-based diets provide an adequate amount of protein and all non-essential amino acids needed to maintain muscle and provide energy. These sources of protein include legumes, tofu, soy, textured vegan protein and vital wheat gluten. Their protein levels can actually be higher than that of some meat products," he shares.

People also assume a vegan diet will make them feel lethargic. Dr Patel says there are certain nutrients you can't get from plant items (such as vitam B12, vitamin D3, and iron), hence why people say going vegan made them less energised. However, there are supplements you can take.

"We have to remember that vitamin B comes from naturally produced bacteria, so it would be common to add a vitamin B supplement. The same can be said for vitamin D, whereby sunshine is our main source. It is known that all of us in the UK should consider a vitamin D supplement anyway from late autumn to spring."

To boost other nutrients that a vegan diet might not provide, Dr Patel suggests trying iodised salt and seaweed for iodine, as well as spinach, nuts and seeds and apricots for iron.

Moreover, a vegan diet can be more expensive.

"People frequently compare the prices of processed plant-based foods with meat. Plant-based produce tends to carry a more premium price in supermarkets because there is less demand for it compared to meat products. However, incorporating more plant-based meals into your diet needn't be expensive. You can buy and cook with any fruit and vegetables, which can be your best friend from reduced-price sections, farmers markets, or even the cheaper odd-shaped [produce] boxes in supermarkets," Dr Patel says. And lentils and pulses are high in nutrients and flavour as well as much more cost-effective than most meats.

"Essentially, ensure you are taking the time to listen to your body and are getting adequate supplementation. Make sure your meals are well-rounded and balanced to get the full benefits of a plant-based diet."

Dr Patel says, if you need assistance with curating a plant-based diet, you should seek advice from qualified dieticians and coaches who can help you come up with meal plans that are well balanced and nutrient-dense.

You can also find help and inspiration at:

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What are the health benefits of a vegan diet? - Patient.info

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Home » Diets that Work » What are the health benefits of a vegan diet? – Patient.info