MedMath Blog

Evidence-based articles to help you understand your medical numbers and make informed health decisions.

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Are You Pre-Diabetic? This 30-Second Calculator Reveals the Truth
Diabetes & Blood Sugar

Are You Pre-Diabetic? This 30-Second Calculator Reveals the Truth

Got an A1c between 5.7-6.4%? Learn what prediabetes really means, why the cutoff changed, and what you should actually do about it.

6 min read
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CGM vs Lab A1c: Why They Are Different and Which One Matters More
Diabetes & Blood Sugar

CGM vs Lab A1c: Why They Are Different and Which One Matters More

Your CGM says 5.8% but your lab A1c came back at 6.1%. Which one is right? Learn why these numbers differ and what to trust.

6 min read
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Why Your Doctor A1c Reading Might Be Wrong (And What to Do About It)
Diabetes & Blood Sugar

Why Your Doctor A1c Reading Might Be Wrong (And What to Do About It)

A1c tests are not always perfect. Learn about the medical conditions, medications, and genetic factors that can throw off your results.

6 min read
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I Wore a CGM for 30 Days: What My Average Glucose Really Means for A1c
Diabetes & Blood Sugar

I Wore a CGM for 30 Days: What My Average Glucose Really Means for A1c

A month-long CGM experiment reveals surprising patterns about blood sugar, meal responses, and what the data actually means for long-term health.

7 min read
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What Do Blood Pressure Numbers Actually Mean? (And When to Worry)
Blood Pressure & Heart Health

What Do Blood Pressure Numbers Actually Mean? (And When to Worry)

Is 130/85 good or bad? Learn what your systolic and diastolic numbers actually measure, what the ranges mean, and when you should take action.

6 min read
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Why Your Blood Pressure Is Different at Home vs. the Doctor Office
Blood Pressure & Heart Health

Why Your Blood Pressure Is Different at Home vs. the Doctor Office

Your home readings say 118/76, but at the doctor it spikes to 142/88. Learn about white coat hypertension, proper monitoring technique, and when to trust which reading.

6 min read
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How I Lowered My Blood Pressure 18 Points Without Medication
Blood Pressure & Heart Health

How I Lowered My Blood Pressure 18 Points Without Medication

From 138/86 to 120/74 in 12 weeks. The evidence-based lifestyle changes that actually work, how long they take, and what matters most.

7 min read
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Ozempic vs Wegovy: Same Drug, Different Doses - What You Need to Know
GLP-1 & Weight Loss

Ozempic vs Wegovy: Same Drug, Different Doses - What You Need to Know

They are both semaglutide, but the dosing schedules and approval purposes differ. Learn which one is right for weight loss, how they work, and what to expect.

6 min read
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The Side Effects Nobody Warns You About with Ozempic and Wegovy
GLP-1 & Weight Loss

The Side Effects Nobody Warns You About with Ozempic and Wegovy

Beyond nausea and diarrhea, here are the unexpected effects of GLP-1 medications that doctors often forget to mention—and how to manage them.

7 min read
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Why Your Weight Loss Stalled on Ozempic (And What to Do About It)
GLP-1 & Weight Loss

Why Your Weight Loss Stalled on Ozempic (And What to Do About It)

You were losing 2 pounds a week, then suddenly nothing for a month. Learn why GLP-1 plateaus happen, whether increasing the dose helps, and what actually works.

6 min read
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Are You Working Out in the Wrong Heart Rate Zone? Here Is How to Tell
Heart Rate & Fitness

Are You Working Out in the Wrong Heart Rate Zone? Here Is How to Tell

That 220-minus-age formula is outdated. Learn the science-backed way to find your actual training zones and why most people exercise at the wrong intensity.

6 min read
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Your Resting Heart Rate Just Increased 10 BPM - Should You Be Worried?
Heart Rate & Fitness

Your Resting Heart Rate Just Increased 10 BPM - Should You Be Worried?

A normal resting heart rate ranges from 60-100 bpm, but sudden changes matter more than the number itself. Learn what heart rate changes signal and when to see a doctor.

6 min read
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Why Your Medication Takes 5 Days to Leave Your System (Even Though You Take It Once Daily)
Medications & Pharmacology

Why Your Medication Takes 5 Days to Leave Your System (Even Though You Take It Once Daily)

Half-life determines how long drugs stay in your body and why missing one dose matters more for some medications than others. Learn how this affects your treatment.

6 min read
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How Fast Should That IV Drip? Understanding IV Flow Rates and Why They Matter
Medications & Pharmacology

How Fast Should That IV Drip? Understanding IV Flow Rates and Why They Matter

IV medications need precise flow rates. Learn how doctors calculate drops per minute, what happens when rates are wrong, and why some IVs take hours while others are quick pushes.

6 min read
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