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 level is a condition in which the amount of sodium (salt) in the blood is lower than normal. The medical name of this condition is hyponatremia. Sodium is found mostly in the body fluids outside the cells. It is very important for maintaining blood pressure.