The Albumin Blood Test: What This Quiet Protein Says About Liver and Kidneys
An albumin blood test measures albumin, the most abundant protein in blood plasma, which is made by the liver. Doctors use it to help…
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Lab Results Explained
Articles that explain laboratory results: what common blood and urine tests measure, what high or low values can mean and which questions to take to your doctor. A single number rarely tells the whole story; results are read together with your symptoms and history.
Apolipoprotein B: Why Cardiologists Increasingly Look Past LDL Alone
Apolipoprotein B (ApoB) is a protein found on every cholesterol-carrying particle that can damage arteries, with exactly one ApoB molecule per particle. Measuring it…
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The CBC (Full Blood Count): What Each Line of the Most-Ordered Test Screens For
A complete blood count (CBC) measures the three cell families in your blood: red blood cells (with hemoglobin, hematocrit, and size indices), white blood…
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Blood Types: What A, B, AB and O Actually Mean
The letters A, B, AB and O describe which antigens, inherited sugar and protein markers, sit on the surface of your red…
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Normal Blood Pressure: What the Numbers Mean at Every Age
Normal blood pressure for adults is a top (systolic) number below 120 mm Hg and a bottom (diastolic) number below 80, and that…
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TSH Normal Range: How to Read Your Thyroid Test Without Panic
For most adults, a TSH between roughly 0.4 and 4.0 mIU/L is considered normal, though the exact reference range varies by lab, age, and…
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Blood Sugar Levels Chart: Normal, Prediabetes and Diabetes: Explained Simply
A normal fasting blood sugar is below 100 mg/dL (5.6 mmol/L). Readings of 100–125 mg/dL suggest prediabetes, and 126 mg/dL or higher on two…
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Normal Resting Heart Rate: What’s Healthy, What’s Not, and What Changes It
A normal resting heart rate for most adults falls between 60 and 100 beats per minute, though many healthy people measure between 55 and…
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High Triglycerides: What They Mean and the Lifestyle Levers That Lower Them
High triglycerides mean your blood carries an excess of the fat your body uses for energy: 150 mg/dL or above on a standard…
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