This is often called facial masking. If so, you should ask your doctor about Parkinson's disease. What is normal? Some medicines can cause you to have the same type of serious or staring look, but you would go back to the way you were after you stopped the medication. Dizziness or Fainting
Supposed to be a 12 hr fast-except water or juices. The above answer is wrong. Water is the ONLY thing that you can drink to satisfy the fasting criteria...8 hrs should be adequate.Liver function tests do not require fasting since the tests are not affected one way or the other. Juices generally contain sugars that affect other testing (like glucose).upposed to be a 12 hr fast-except water or juices. The above answer is wrong. Water is the ONLY thing that you can drink to satisfy the fasting criteria...8 hrs should be adequate.
Fasting for a certain length of time before a blood test is one way of ensuring that your test results are not contaminated by the food you've eaten. The Mayo Clinic notes that fasting may not be necessary to get an accurate reading on a cholesterol test, but most doctors will still ask that you fast for at least 12 hours before your appointment. For certain other kinds of tests, such as a blood glucose test, fasting is necessary. This test is done to check for diabetes, and it requires that you abstain from any food intake for at least eight hours before the blood is drawn. There are alternatives to this test for diagnosing diabetes, but according to howstuffworks.com, the blood glucose test is easy, fast, and inexpensive. Other types of blood tests do not require that you fast prior to the blood draw.