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).
Mood swings can also result from conditions that deprive the brain of nutrients and oxygen, such as lung and cardiovascular diseases. Substance abuse, medication side effects, and hormonal changes are other potential causes of mood swings.