The United States dietary guidelines, based on the 2005 Institute of Medicine report, recommend that the general population aim for sodium levels of 1,500 to 2,300 milligrams a day because those levels will not raise blood pressure.
One of the symptoms of the plague was coughing and sneezing, and it is believed that Pope Gregory VII suggested saying âGod bless youâ after a person sneezed in hopes that this prayer would protect them from an otherwise certain death. The expression may have also originated from superstition.
The common explanation for his is that sneezing was a symptom of the Plague and so if someone sneezed, people would say 'bless you' because they might have a horrible disease. But in fact it dates from much earlier superstitions, for example, ancient man believed that his breath was also his soul or essence of life..