http://www.straightdope.com/columns/read/1431/whats-the-origin-of-the-chefs-hat. In summary, the old chefs in the greek orthodox used to hide among the clergy and changed the color to white in an attempt to appease the wrath of god, and Henry the VII beheaded a chef for finding hair in soup and made the next guy wear a hat.
Quick Answer. Low sodium in the body, also known as hyponatremia, is caused by hormonal changes; dehydration; heart, kidney and liver problems; or chronic, severe diarrhea or vomiting, according to Mayo Clinic. Some medications, such as antidepressants, pain relievers and water pills may also cause low sodium levels. Keep Learning.
Low sodium, medically known as hyponatremia, is a lack of balance between the water and salt (sodium) levels in your body. A correct level of sodium is important for the proper function of your muscles and nerves. Low sodium is a common electrolyte disorder in the U.S. population.