Everyone will have a blood test at some point in life because these are used for dozens of things. If your doctor suspects an illness, such as an infection, blood testing helps to determine if an infection is present and what is causing the infection. Blood tests are also commonly part of your annual physical because this allows doctors to look at things like your blood cell counts and your cholesterol levels.
I came across an article over at everydayhealth.com that provides you with many important facts about blood testing that you need to know before you get your next blood test. Head over to the link below to educate yourself and make note of this important information.