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1. Chalk used for writing on blk boards is GYPSUM ( cacium sulphare), it can cause mechanical irritation of your stomach and gut, causing it to erode. This eroded part of stomach may get infected or ulcerated later on.
2. It absorbs water, so eating chalk can cause constipation
, with dry stools, may be anal fissure
if its untreated.
3. Craving for chalk indicates iron deificiency, if untreated, it can cause other problems. You can look up for anemia
and its long term effects.
4. Chalk may contain parasites, so you can get it worm infestation .
For further enq- firstname.lastname@example.org