What is Blood Tests? - Find more information and articles related to Blood Tests at onlymyhealth.com
If you are taking certain blood tests, you may need to fast for eight hours before you take them. This includes not eating or drinking anything other than plain water. Such blood tests include blood glucose, cholesterol and iron testing.
The complete blood count test is done in order to reveal underlying health problems in you. There are many reasons for the test and it is done under various circumstances.
During a blood test, blood usually is drawn from a vein in your arm or other part of your body using a needle. A small amount of blood is taken for the test and you shouldn't feel any significant after-effects.