Most of the time, one can guess somebody's gender by reading his/her first name. Most first names have a well-defined gender, such as Alice or Robert. ...Well, most. Sometimes the only name you get is an ambiguous abbreviation, such as Sam. Or a gender-neutral name, such as Dominique or Claude in French. Or worse, a name whose default gender changes from one country to another (or even over time in the same country!), like Andrea which is typically female in the U.S. but typically male in Italy (in Greek it means manly).
It is the most sensitive and specific blood test for celiac disease and is the single test preferred by the American College of Gastroenterology, according to its 2013 guidelines, as well as the American Gastroenterology Association for the detection of celiac disease in those over the age of 2 years.
You cannot control what genes you are born with, but you can identify them and change your diet and lifestyle to accommodate them. Fortunately gluten sensitivity and celiac disease can be evaluated with genetic testing. Traditional diagnostic testing has focused on blood antibody tests and or intestinal biopsies.