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)
Several sources claim that most arsenic salts are tasteless, but may change the flavor of a food they contaminate (bitterness is often reported). One symptom of arsenic poisoning (like other metal poisonings) is a metallic taste in the mouth. Arsenic Poisoning. Views Â· View Upvotes.