Then remove the leaf carefully, and place the blackened surface on a sheet of white paper, or in a book prepared for the purpose, covering the leaf with a clean slip of paper, and pressing upon it with the fingers, or roller, as before
Avoid carrying excessive amounts Check destination country limits Keep products in original packaging Customs authorities may apply additional rules depending on your destination, so check with the local government of your destination before bringing these products into the country
I understand the possibility-according to some research-that it's not as dangerous as cigarettes (a position that remains controversial)
Javed et al
Avoid it, try drinking water instead
Research Project Over the summer, I was directly involved in research at Mayo Clinic in Jacksonville, Florida