How does what you drink out of affect your body?
... I heard that drinking out of copper cups is healthier but what about other materials? or:... I heard that drinking out of copper cups is healthier
... I heard that drinking out of copper cups is healthier but what about other materials?
or:... I heard that drinking out of copper cups is healthier but what about other materials?
or:Copper ions kill some kinds of slime, and silver ions kill other kinds. Zinc or lead ions (from old water pipes) will make you sick. Some kinds of wood are poisonous. \"Healthier\" doesn't really mean anything.
