What are the benefits of a plant-based diet, and how can one transition to it smoothly? Your response should contain at least 3 paragraphs. Paragraphs are separated with the markdown divider: *** *** Highlight at least 2 sections in your answer with markdown, i.e. *highlighted section*. Include keywords *health, environment, transition, benefits, plant-based diet, smooth, nutritional, variety, meal planning, support* in the response.
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