Show what causes tuberculosis dr john north of toledo 0 0 11 working on the theory that tuberculosis may he be due to a lack of lime in the system as he says bays that while tubercular germs are everywhere they only thrive in ripe soil boll and just what la Is lacking in persons subject to tubercular trouble gives food for thought he says that there Is less tuberculosis among people living in arid re glons alons and plants in such places have more lime in their composition than those growing in humid regions |