Before a blood test, most seniors make small mistakes that quietly ruin their results — leading to false alarms, wrong readings, or unnecessary medication changes. Doctors say that what you eat, drink, or do in the hours before your test can completely change your cholesterol, sugar, and liver numbers. But the good news? These mistakes are 100% avoidable. In this video, you’ll learn the 10 most common pre-test mistakes older adults make — and how to prepare the right way to get accurate, reliabl