Dante Carrillo
Vegetarianism is a dietary pattern that excludes meat and animal flesh from one's diet. The earliest records of vegetarianism as a concept and practice among a significant number of people are from ancient India, especially among Hindus and Jains. Vegetarianism is deeply rooted in India's traditions, with vegetarian cuisine existing as early as the Vedic period. In the West, the most common motive for practicing vegetarianism is health consciousness. However, the adoption of a vegetarian diet could also be influenced by and have an impact on various quality-of-life domains, including physical, psychological, social, and environmental factors.
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What You'll Learn
The history of vegetarianism
Vegetarianism has a long and complex history that dates back to ancient times. The concept of vegetarianism, or a plant-based diet, has evolved over millennia and has been influenced by various religious, cultural, and ethical beliefs.
The earliest records of vegetarianism can be traced back to ancient India, where the principle of non-violence towards animals was an integral part of religious and philosophical traditions. Jain and Buddhist sources indicate that the idea of not causing harm to animals through diet or other means was established as early as the 6th century BCE. The Tirukkural, a text dated to the late 5th century CE, contains chapters advocating veganism or moral vegetarianism, emphasizing non-violence and non-killing.
In the Indic and Mediterranean regions, the history of vegetarianism diverged significantly over time. In India, the ideal of harmlessness, or "ahimsa", spread beyond Buddhism, and by the 1st millennium CE, many in the upper and lower castes had adopted a fleshless diet. This concept also extended northward and eastward to China, Japan, and other Asian countries, where plant-based foods like tofu became staples.
In Europe, the ancient Greeks and philosophers like Pythagoras, who is considered the father of ethical vegetarianism, played a significant role in the early history of vegetarianism. The term "vegetarianism" itself is derived from the Latin word "vegetus", meaning "active" or "vigorous", and it became popular in the mid-1800s. During the Renaissance and the Age of Enlightenment, various personalities practiced vegetarianism, and the first vegetarian society was founded in England in 1847.
The spread of Buddhism also influenced the popularity of vegetarian cuisine in China. Additionally, some Jewish scholars and ancient sects, as well as early Christian leaders and monastic orders, advocated for vegetarianism or fleshless diets. In the 17th and 18th centuries, Europe saw a revival of humanitarianism and sensitivity to animal suffering, with certain Protestant groups adopting vegetarianism as part of their religious practice.
In modern times, vegetarianism has gained international traction due to health, ethical, ecological, and social concerns. The prevalence of vegetarianism varies across continents, with Asia, particularly India, having the highest number of vegetarians worldwide.
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Religious and philosophical roots
Vegetarianism is strongly linked with religious traditions worldwide, including Hinduism, Jainism, Buddhism, and Sikhism. With close to 85% of India's billion-plus population practicing these religions, India has the highest number of vegetarians globally.
The earliest records of vegetarianism as a concept and practice among a significant number of people are from ancient India, especially among Hindus and Jains. Vegetarianism in India has been connected with the principle of nonviolence toward animals, called "ahimsa" in India, for millennia and was promoted by religious groups and philosophers. The Vedas, the oldest and sacred texts of Hinduism, assert that all creatures manifest the same life force and therefore merit equal care and compassion. In the ancient Vedic period (between 1500 and 500 BCE), although the laws permitted the consumption of some types of meat, vegetarianism was encouraged. Brahmins, the priests of the highest caste, often adhered to vegetarian diets guided by the Sattva philosophy.
Jainism, which has its roots in ancient India, is considered the most comprehensive and strictest form of vegetarianism. Vegetarianism is considered mandatory for all Jains. Jainism is based on the principle of nonviolence or "ahimsa," which aims to prevent the accumulation of harmful karma. Jains try to avoid unnecessary injury to all living things, including plants and minuscule organisms, and therefore also abstain from eating roots and tubers, such as potatoes and garlic.
Buddhism, which also originated in ancient India, has a controversial history with vegetarianism. The question of Buddhist vegetarianism in the earliest stages of the religion's development is controversial as not everyone who refused to participate in any killing or injuring of animals also abstained from consuming meat. However, Buddhist sources show that the principle of nonviolence toward animals was an established rule in the religion as early as the 6th century BCE. Buddhist cuisine became popular in China during the Song dynasty, and vegetarian restaurants appeared, creating meat substitutes such as tofu, seitan, and konjac, which are still used today.
In China, "simple eating" or "sù shí" in Mandarin refers to a restricted diet associated with Taoist monks and sometimes practiced by laypeople during Taoist festivals and fasting days. It is similar to Chinese Buddhist vegetarianism, but its roots reach pre-Buddhist times. Taoist vegetarians may practice veganism, veganism without root vegetables, lacto-ovo vegetarianism, or pescetarianism, and they also tend to abstain from alcohol and pungent vegetables during lenten days.
In the Abrahamic religions (Judaism, Christianity, and Islam), the Bahá'í Faith, vegetarianism is less commonly viewed as a religious obligation. However, groups within these faiths actively promote vegetarianism on religious and humanitarian grounds. For example, the Bible Christian Church, a Christian vegetarian sect founded by Reverend William Cowherd in 1809, encouraged members to abstain from eating meat as a form of temperance. Some Christian vegetarians argue that Jesus himself was influenced by the Essenes, an ascetic Jewish sect, and was a vegetarian.
In Japan, Emperor Tenmu prohibited the killing and eating of meat during the farming period between April and September in 675, although the ban was eventually overturned in the 19th century.
In Europe, following the Christianization of the Roman Empire in late antiquity (4th–6th centuries), vegetarianism nearly disappeared, except in India. However, some monastic orders followed a pescatarian diet, and members of the Eastern Orthodox Church follow a vegan diet during fasts.
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Health benefits and risks
Vegetarianism is deeply rooted in the traditions of India, with the earliest records of vegetarianism as a concept and practice among a significant number of people originating from ancient India, especially among Hindus and Jains. The vegetarian lifestyle was also observed by small groups within ancient Greek civilizations in southern Italy and Greece. The diet was closely connected with the idea of nonviolence toward animals, promoted by religious groups and philosophers.
Over 24 million years, humans' anthropoid ancestors were almost exclusively vegetarian, except for the occasional ingestion of insects and larvae. Humans have wide, flat teeth and more mobile jaws, which facilitate the chewing of grains and seeds, as opposed to the sharp teeth and vertical jaw movements characteristic of carnivores.
Vegetarianism has gained visibility in recent years, with some people adopting it for health reasons, to avoid hormones in animal foods, or for religious, ethical, or environmental reasons. A vegetarian diet can be nutritionally adequate for adults and children and can promote health and lower the risk of major chronic diseases. It usually provides a low intake of saturated fat and cholesterol and a high intake of dietary fiber and health-promoting phytochemicals. This is achieved by an increased consumption of fruits, vegetables, whole grains, legumes, nuts, and soy products.
However, it is important to plan a vegetarian diet appropriately to ensure it includes all the necessary nutrients, such as vitamin B12, vitamin D, omega-3 fatty acids, calcium, iron, and zinc. While a vegetarian diet can meet the current recommendations for these nutrients, supplements and fortified foods can provide a useful shield against deficiency.
Pregnant and nursing women can get the nutrients they need from a vegetarian diet, and vegetarians may consume more folic acid than those on a meat-containing diet. However, those on a vegan diet may need to supplement with additional vitamin B12, vitamin D, iron, folic acid, and omega-3s.
The adoption of a vegetarian diet could positively impact an individual's quality of life, encompassing physical, psychological, social, and environmental domains. It may lead to better physical health, positive feelings related to moral correctness, and an increased sense of belonging to a community. However, other factors, such as the social and cultural environment, gender-based differences, economic aspects, and limited access to a variety of plant-based foods, could negatively impact the quality of life for those choosing a vegetarian diet.
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Environmental and social impact
Vegetarianism has its roots in ancient India, with the earliest records of the practice among Hindus and Jains. It was connected to the principle of nonviolence or "ahimsa", and promoted by religious groups and philosophers. The vegetarian lifestyle is also linked to ancient Greek civilizations in southern Italy and Greece, and some monastic orders in medieval Europe.
The environmental and social impacts of vegetarianism are varied and far-reaching. Firstly, in terms of environmental sustainability, vegetarian diets are generally considered to have a lower environmental impact than diets that include meat. Meat production, especially from ruminants, requires significantly more resources and is more taxing on the environment due to intensive irrigation, land use, and fossil fuel consumption. Plant-based diets are promoted as a way to reduce human impact on the planet and contribute to planetary health by minimizing the use of Earth's finite resources and avoiding environmental degradation. This shift is particularly recommended in high-income countries, where omnivorous diets currently predominate.
However, the environmental benefits of vegetarianism are not always well-understood or recognized by the general public. Some studies suggest that consumers are more likely to respond to campaigns emphasizing health benefits rather than environmental gains. For example, in a survey, only 3% of respondents mentioned diet as a way to help the environment, while a separate study found that only 22% of participants perceived "help the environment" as a benefit of vegetarianism. This indicates that while vegetarianism can positively impact the environment, there may be a need for better communication and awareness regarding this aspect.
From a social perspective, vegetarianism can have both positive and negative impacts on an individual's quality of life. On the one hand, it can lead to a sense of belonging to a community of like-minded individuals and a positive feeling of adopting a morally correct attitude. It can also have health benefits, such as lower body mass index, reduced risk of type 2 diabetes, obesity, and certain chronic diseases, and potentially improved mental health. However, there are also potential negative consequences, such as nutritional deficiencies (especially vitamin B12) if the diet is not well-planned, and social barriers related to gender, economic aspects, and limited access to a variety of plant-based foods.
Additionally, the social impact of vegetarianism can vary across different cultures and communities. For example, in Western countries, the primary motivation for vegetarianism is often health consciousness, while in India, the practice is deeply rooted in religious and philosophical beliefs. Furthermore, historically, vegetarianism was linked to feminism, as it was seen as a way to free women from the confines of the kitchen and allow them to pursue other interests.
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Types of vegetarian diets
Vegetarian diets have become increasingly popular, with many people adopting them for health, environmental, or ethical reasons. While a vegetarian diet is primarily plant-based, there are several variations depending on which animal-derived products are included or excluded. Here are some of the most common types of vegetarian diets:
Lacto-ovo-vegetarian
The most traditional and popular form of vegetarianism. Lacto-ovo vegetarians do not eat meat, poultry, seafood, or fish but do consume dairy products, eggs, and plant-based foods. This diet is considered to be a pick-and-mix approach, as it allows individuals to choose which animal by-products they are comfortable consuming.
Lacto-vegetarian
Lacto-vegetarians follow a primarily plant-based diet but also include dairy products. They exclude meat, seafood, eggs, and animal by-products that require slaughter. Dairy additions can include milk, butter, cheese, yogurt, and ice cream, providing an additional source of protein. Those on this diet need to be mindful of their iron intake and may need to include plant-based iron sources and vitamin C-rich foods to boost iron absorption.
Ovo-vegetarian
Ovo-vegetarians also follow a plant-based diet but include eggs and egg-containing products. They exclude meat, seafood, and dairy products. Eggs provide a valuable source of protein, omega-3 fatty acids, and vitamin B12. However, ovo-vegetarians should ensure they replace dairy with adequate calcium-containing foods.
Vegan
Considered the most restrictive form of vegetarianism, a vegan diet excludes all animal products, including meat, poultry, fish, eggs, and dairy. It also excludes foods that contain any of these ingredients. This diet is high in fibre and low in saturated fat. While it may be challenging to obtain certain nutrients like vitamin B12, calcium, and iron, adequate amounts of protein can be obtained from tofu, tempeh, legumes, and grains.
Fruitarian
Fruitarians are typically raw vegans whose diets are centred around fruit consumption. They may consume small amounts of vegetables but generally avoid nuts due to their macronutrient content.
Pescetarian and Flexitarian
These diets are not strictly vegetarian but focus on reducing animal products. Pescetarians exclude meat but include seafood, dairy, eggs, and plant foods. Flexitarians mainly follow a plant-based diet but may occasionally include small portions of meat and seafood, making them semi-vegetarian. These diets offer a balance between the health benefits of vegetarianism and the inclusion of animal products.
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Frequently asked questions
Hinduism and Buddhism are the major religions that have recommended a vegetarian way of life since their conception. Jainism is another Indian religion that has strict rules about non-violence towards animals.
Asia is the continent with the highest prevalence of vegetarians, with India being the single country with the highest number of vegetarians (40% of the population). Africa and the Middle East have a prevalence of 16%, while Central and South America have 8%. North America and Europe have the lowest prevalence of vegetarianism, with only 6% and 5% of the population being vegetarians, respectively.
A vegetarian diet is associated with better physical health, including a reduced risk of death from ischemic heart disease and cerebrovascular disease. Vegetarians generally have a lower body mass index and consume fewer calories, more fiber, potassium, and vitamin C.
One of the challenges of a vegetarian diet is ensuring adequate nutrient intake, especially vitamin B12, iron, and omega-3 fatty acids. Vitamin B12 is primarily found in animal products, so vegetarians may need to include dairy, eggs, or other reliable sources of B12 in their diet.
Mahatma Gandhi was a prominent advocate for vegetarianism, arguing that a meat-free diet should be promoted as a matter of morality rather than health. Other notable figures include the Greek philosopher Pythagoras, considered the father of ethical vegetarianism, and singer-songwriter Morrissey, whose album "Meat is Murder" contributed to the popularity of meat-free lifestyles.
