In early 2017, Qatar's total population was 2.6 million: 313,000 Qatari citizens and 2.3 million expatriates. Qatar is a high-income economy, backed by the world's third-largest natural-gas reserves and oil reserves. The country has the highest per capita income in the world.
1 Leg pain refers to any kind of pain that occurs between the heels and the pelvis. 2  Many causes of leg pain are obvious, such as injury after an accident.  Leg pain can have less obvious causes, such as peripheral artery disease.
For those whose legs feel heavy many doctors reveal that this is one of the most serious silent killers. The reason is that when you have heavy legs the heart can seriously be failing. This is due to a circulation problem and it sneaks up and causes heart attacks often in those over 40. If you are over 50 years old the legs feel heavy feeling can signal a heart attack. Often people who feel they are in good health have no idea that they are in danger. Heavy legs can be cause by an artery in the legs that are blocked by plaque and this is where your troubles come in.