As a doctor, I know that if you like chalk, then your body lacks calcium. I know that some pregnant women eat chalk, because their body requires so. I do not think that chalk is absolutely pure product, there are probably many harmful impurities in it. I would not eat it, that's for sure.
yes .. I've been told this many .. but I can not do without chalk ...
You should do something with this! It is not a healthy way!