Question

if we eat chalk and holyash want happen

Answer 1

Generalized anxiety disorder or depression is the main cause.Consult a psychologist for treatment of the disease.

Answer 2

Chalk (calcium carbonate) is generally considered to be non-toxic, but eatingit is not advisable and it may result in the following problems: abdominal pain, nausea, vomiting, constipation, diarrhoea. The chalk from the dust may cause eye irritation, and isn't good for your lungs.

The only way it could cause a deficiency of anything is if it somehow prevented your small intestine from absorbing other nutrients you eat throughout the day