[mindburglar]

Salt is a rock, a mineral. Only impurities make it different. Iodine is an additive to NaCl.

If you have an iodine deficiency, then get salt with iodine added. Other than that, salt is salt.

[Daffynition]

>>Other than that, salt is salt.<<

???? I disagree. Learn here..........

http://www.rsc.org/learn-chemistry/resource/res00000808/kitchen-chemistry-is-all-salt-the-same?cmpid=CMP00000898#!cmpid=CMP00000897