How to Raise a Low Platelet Count: What Helps and What Is Myth
The most reliable way to increase a low platelet count is to identify and address its cause, such as a nutrient deficiency, a medication,…
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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.
What a Full Blood Count Shows: The FBC Decoded Line by Line
A full blood count (called a complete blood count in the US) measures your red blood cells and hemoglobin, white blood cells and their…
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How Long to Fast Before a Blood Test, and Which Tests Don’t Need It
For most fasting blood tests, plan on 8 to 12 hours without food or calorie-containing drinks: about 8 hours for a fasting glucose test…
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Normal TSH Levels: Reading Your Thyroid Test Without the Panic
For most adults, a normal TSH level falls roughly between 0.4 and 4.0 mIU/L, though reference ranges vary slightly by lab, age, and pregnancy.…
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The C-Peptide Test: How Doctors Measure Your Own Insulin Production
A c-peptide test measures how much insulin your pancreas is making on its own. Because C-peptide and insulin are released in equal amounts, the…
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Blood Test Abbreviations: The Cheat Sheet for Your Lab Report
Blood test abbreviations are shorthand codes for the measurements on a lab report. Common ones include WBC (white blood cells), HGB (hemoglobin), PLT (platelets),…
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How to Lower Your A1C: Lifestyle Levers With Measured Effects
A1C reflects roughly three months of average blood sugar, so it falls over weeks, not days. The best-studied lifestyle levers are losing 5–10% of…
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eGFR: The Kidney Percentage Everyone Over 40 Should Know
eGFR (estimated glomerular filtration rate) is a calculation from a routine blood test that estimates how well your kidneys filter waste, reported in mL/min/1.73…
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Reverse T3: What the Controversial Test Actually Measures
Reverse T3 (rT3) is an inactive byproduct made when the body converts the thyroid hormone T4 away from active T3. The blood test measures…
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B12 and Folate Blood Tests: What Is Measured and Why They Travel Together
A B12 blood test measures the amount of vitamin B12 circulating in your serum, usually in picograms per milliliter, while a folate test measures…
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Venipuncture: What Happens When Blood Is Drawn, and Why It Rarely Hurts
Venipuncture is the routine procedure of drawing blood from a vein, usually at the inner elbow, using a thin sterile needle. A trained phlebotomist…
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The ESR (Sed Rate) Test: How It Works and Why It Travels With CRP
The erythrocyte sedimentation rate (ESR, or sed rate) measures how far red blood cells settle in a vertical tube in one hour, in millimeters.…
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Mammogram Age: When to Start and How Often, by Guideline
Most US guidelines now advise that women at average risk begin screening mammograms at age 40. The US Preventive Services Task Force recommends one…
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The GGT Blood Test: The Liver Enzyme That Completes the Panel
The GGT blood test measures gamma-glutamyl transferase, an enzyme concentrated in the liver and bile ducts. Clinicians order it to help detect liver or…
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The Hemolyzed Sample: Why Labs Sometimes Ask You to Come Back
A hemolyzed blood sample means red blood cells broke apart before testing, spilling their contents and skewing results such as potassium and certain enzymes.…
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The Comprehensive Metabolic Panel: 14 Values, One Tube, Explained
A comprehensive metabolic panel (CMP) is a blood test that measures 14 substances to assess blood sugar, kidney function, liver health, electrolyte balance, and…
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Liver Function Tests: What the Panel Really Screens
A liver function test is a blood panel that measures enzymes (ALT, AST, ALP), bilirubin, and proteins such as albumin to screen for liver…
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The Lp(a) Test: The Once-in-a-Lifetime Genetic Lipid Check
The lipoprotein(a), or Lp(a), test is a blood test that measures an inherited cholesterol-carrying particle linked to higher risk of heart attack, stroke, and…
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