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.
How long do I fast for a fasting blood test - Can you fast too long before a fasting blood test? In a way, yes. If you fast for longer than a day or so, it will alter some blood chemistries. Fasting tests are usually set for an overnight fast, or a 12 hour fast. Prolonged fasting is starvation and it affects the body metabolism.