In January 2013, the Qatar Statistics Authority estimated the country's population at 1,903,447, of which 1,405,164 were males and 498,283 females. At the time of the first census, held in 1970, the population was 111,133.
A metallic taste in the mouth can be attributed to many factors, but the most common causes of this are: 1  Excessive Iron levels in the blood.  Side effect of medications (especially ones used to treat high blood pressure, arthritis and anti-depressants)
A metallic taste in your mouth is a some what common symptom, and metal tasting is typically not a serious problem. Your perception of a weird metallic mouth taste can be due to an assortment of factors. Calcium carbonate supplements can cause you to believe that you are eating metal as well.