Guide. An iron test checks the amount of iron in the blood to see how well iron is metabolized in the body. Iron (Fe) is a mineral needed for hemoglobin, the protein in red blood cells that carries oxygen. Iron is also needed for energy, good muscle and organ function.
The following errors are the most common symptoms of faulty (or failing) computer memory modules: 1  Computer memory errors. 2  These include system computer memory errors, or blue screen system crashes that reference memory read/write, parity, interrupt, address, page faults, general protection faults or mismatch errors.
10 Things That Cause Short-Term Memory Loss. Various studies suggest that bad personal habits and poor lifestyle choices may lead to cognitive impairment. You may do everyday things that may impact your brain without realizing it. First of all, you may lack the 8 hours of sleep that you sorely need.