Overview
What is a vegetarian diet?
In general, a vegetarian diet is a diet that doesn't include meat. But there are several kinds of vegetarian diets.
- Lacto-ovo vegetarian.
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This type of diet includes milk products (such as milk, cheese, and yogurt) and eggs. But it doesn't include meat, poultry, seafood, or fish. "Lacto" means milk. "Ovo" means eggs.
- Lacto-vegetarian.
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It includes milk products but no eggs, meat, poultry, seafood, or fish.
- Vegan.
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It's a diet of only plant foods. This means no milk products, eggs, honey, or gelatin. (Gelatin comes from bones and other animal tissue.)
Many people follow a semi-vegetarian diet. Most of their diet is vegetarian. But sometimes they may eat meat, poultry, seafood, fish, and/or eggs.
Why eat a vegetarian or vegan diet?
People may choose a vegetarian or vegan diet for various reasons. For example:
- It can be healthier than other diets.
- Some people think it's wrong to use animals for food.
- Some religions forbid eating meat.
- It may cost less than a diet that includes meat.
- Eating less meat can be better for the environment.
- Some people don't like the taste of meat.
What are the benefits of a vegetarian or vegan diet?
In general, people who don't eat meat:
- Weigh less than people who eat meat.
- Are less likely to die of heart disease.
- Have lower cholesterol levels.
- Are less likely to get:
- High blood pressure.
- Type 2 diabetes.
- Prostate cancer.
- Colon cancer.
The health benefits may be related to a diet of mostly fruits, vegetables, and whole grains.
Current as of: October 7, 2024
© 2017-2025 Healthwise, Incorporated. This information does not replace the advice of a doctor.