Regular salt is made up of 100 per cent sodium chloride, and typically contains 2,000mg of sodium per teaspoon. Other popular salts like Himalayan pink salt, sea salt or kosher salt are also ...

Hypertonic saline refers to any saline solution with a concentration of sodium chloride (NaCl) higher than physiologic (0.9%). Commonly used preparations include 2%, 3%, 5%, 7%, and 23% NaCl.

Save guides, add subjects and pick up where you left off with your BBC account.

Save guides, add subjects and pick up where you left off with your BBC account.