7 Common Things You Never Knew You Can Eat Also

Chalk

Let’s be honest: we’ve all been curious about how chalk would taste like when we were in school. Many of us probably accidentally nibbled on some as well. So the good news is that chalk is basically pure calcium and is non-toxic. In fact, some people, with nutritional deficiencies that aren’t clear, are even known to crave eating chalk. Researchers, however, have long said that eating chalk is connected to having low zinc and low iron.

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