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2010 Dietary Guidelines Advisory Committee Systematic Reviews

Systematic Review Question

How do the health outcomes of a vegetarian diet compare to that of a diet which customarily includes animal products?

Conclusion Statement

Limited evidence is available documenting that vegetarian diets protect against cancer. However, it suggests that vegetarian, including vegan diets, are associated with lower body mass index and blood pressure. Vegan diets may increase risk of osteoporotic fractures.

2010 DGAC Grade: Limited