1 Gastrointestinal ulcers or cancers such as cancer of the colon may slowly ooze blood and can also cause anemia. 2  Iron deficiency anemia: The bone marrow needs iron to make red blood cells. 3  Iron (Fe) plays an important role in the proper structure of the hemoglobin molecule.
These can be as small as 2 to 3 ounces or as large as a pound in weight, depending on the species and origin of the lobster itself. If you're working from a recipe and purchased the specified size of tails, you can simply follow the recipe's instructions. Otherwise, the usual rule of thumb for lobster tails is one minute of boiling time for every ounce. Four-ounce tails, then, should boil for four minutes, while 10-ounce tails will require 10 minutes. The Single-Tail Guideline
1 The length of time you boil the lobsters differs according to how much they weigh. A one-pound lobster should cook for 3 1/2 minutes, a 2-pound lobster for 5 1/2 minutes, and a 3-pound lobster for 7 1/2 minutes.  Submerge the parboiled lobster in an ice bath to stop the cooking.