Too Many Immigrants. The main problem with Canada s current immigration system is quite simple. It s that the number of people admitted to Canada on both a permanent and temporary basis is way too high -- from a long-run structural point of view, not to mention from a short-run cyclical point of view.he main problem with Canada s current immigration system is quite simple. It s that the number of people admitted to Canada on both a permanent and temporary basis is way too high -- from a long-run structural point of view, not to mention from a short-run cyclical point of view.
1 In your nervous system, B-12 deficiency causes symptoms affecting your nerves (numbness, tingling, tremors, balance problems) and your mind (depression, brain fog, mood swings, and, in rare cases, hallucinations and psychosis).
Although diet plays a role in iron deficiency anemia, the problem is complicated by heavy menstrual periods. Most cases of anemia are mild, but even mild anemia can cause weakness and fatigue. Moderate to severe anemia can also cause shortness of breath, rapid heart rate, lightheadedness and headaches. 1  Severe pain.