Why Blood Is the Best Resource to Test for Almost Any Condition
If you have ever been for a yearly check-up at your doctor or presented with symptoms other than what would be associated with the common cold then you have likely had a blood test done. Everyone gets blood tests done, from babies to the very old, and it is the most accurate way to test for almost any condition. But why are blood test labs so important and how do they offer advantages that a swab of saliva or a urine sample do not?