Common mergansers or goosanders occur in both the Nearctic and Palearctic regions. Although their abundance has been decreasing in North America, they are still the most abundant of the mergansers found there. In North America, common mergansers may breed as far north as southern Alaska and Canada.ow long do they live? The record for the oldest common merganser is held at 13 years 5 months, but banding records indicate maximum longevities of approximately 12 years 6 months for males and 13 years 10 months for females.
Iron supplements may help ease the dry cough caused by taking ACE inhibitors, a type of blood-pressure medicine, according to the UMMC. Iron tablets may also improve the effectiveness of medications aimed at building up red blood cells in cancer and kidney dialysis patients.
Certain groups of individuals, such as pregnant women, benefit from the use of iron pills for prevention. Dietary supplementation, without determining the specific cause, is not recommended. The use of blood transfusions is typically based on a person's signs and symptoms. In those without symptoms they are not recommended unless hemoglobin levels are less than 60 to 80 g/L (6 to 8 g/dL). These recommendations may also apply to some people with acute bleeding.