Low magnesium may not cause symptoms initially because your bloodstream ... At-home vitamin-deficiency tests are available. The self-tests typically involve a finger-prick blood test where you ...

If hyponatremia symptoms worsen, it may cause significant ... and order a blood test to diagnose low sodium levels. If the blood screening indicates low sodium levels, a healthcare professional ...

Many people feel low at some point ... Depression can be treated but the first step is determining whether symptoms are present. This test could help. Using the key below, answer the questions ...