Why Do People Eat Chalk, Dirt, and Other Things Not Fit to Consume

Craving non-food items is a temporary eating disorder called pica, which primarily affects children and pregnant women.

If you have ever craved for 'unusual' non-food items like chalk, mud, paper, or ice, you must read this

Is eating ice bad for you?

People With Mood Disorders Share Same Neural Abnormalities as Those With Anxiety Disorders: Study

Geophagia - Wikipedia

Why do people eat chalk? - Quora

Why do people eat chalk? - Quora

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Dirt Eaters and Other Pica Cases Nearly Double in Decade

Eating Dirt: Why People Do It, Dangers, and Purported Benefits

Georgia's White Dirt aka Edible Clay - Why Would You Eat That? - video Dailymotion

They say it's edible soil. What? : r/geology

Edible Chalk - FlyerTalk Forums

The Old And Mysterious Practice Of Eating Dirt, Revealed : The Salt : NPR