这种现象之所以发生，部分原因在于许多土食者[只吃当地种植的新鲜蔬菜]发起“土食活动”，而且农贸市场规模也在不断扩张，因此许多消费者可以亲自询问蔬菜质量甚至拜访那些农场主。

It's a phenomenon that can be credited in part to the eat-local movement and the explosion of farmers markets, where consumers can meet, ask questions of and even visit the people who grow their food.

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在青少年以及处于怀孕初期阶段的妇女中食土现象最为普遍，因为这两者都极易受到寄生虫以及病原体的侵害。

Dirt is most commonly eaten by women in early stages of pregnancy and preadolescent children. Both are particularly at risk from parasites and pathogens.

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这种“土食活动”鼓励消费者到农贸市场去购买食物，或者干脆自给自足，因为他们认为当地产的新鲜产品更有营养、口感也更好一些。

The locavore movement encourages consumers to buy from farmers' markets or even to produce their own food, with some arguing that fresh, local products are more nutritious and taste better.

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